brain
tamnd's digital brain — notes, problems, research
41968 notes
HSK 3 | adjective | fierce, severe, formidable, impressive — colloquial praise or warning
HSK 5 | verb/noun | to become extinct; total elimination of a species or group
HSK 1 | measure word | general classifier for people and objects
HSK 3 | noun | spoken language, as opposed to written language
HSK 3 | noun | the reasoning or principle behind something
HSK 5 | adjective | existing within something, inherent and not externally imposed
Consolidate all B2 grammar and vocabulary, assess your current competency level, identify common B2 errors, and plan your pathway to C1.
HSK 3 | verb | to abandon or stop pursuing something
Deploying chengyu in formal writing — historical origins, structural analysis, and the pragmatics of allusion in C1 Chinese
HSK 4 | adjective | hypocritical; false; insincere
HSK 5 | noun | the principles of valid reasoning or the internal consistency of an argument
HSK 4 | adjective | based on facts, not personal feelings
We have a lineup of ponies, each with three attributes: their current mana, their maximum mana, and their mana regeneration rate per unit time. Over time, Lord Tirek performs several operations called Absorb Mana, each targeting a consecutive segment of ponies.
HSK 3 | verb / adjective | to know well, be familiar with — through repeated exposure or experience
HSK 3 | noun | temperature — measurable degree of heat or cold
Achieving mastery in Chinese academic defense and Q&A: from competent performance to intellectual authority.
HSK 1 | noun | a number or code; the colloquial word for a day of the month
N1 grammar pattern 〜だに: a literary/formal emphatic particle meaning 'even' — used to intensify a minimal or extreme case.
HSK 5 | adjective/noun | the state of being free from danger or risk
HSK 4 | noun | a person employed by an organization
HSK 4 | noun | the global network connecting computers worldwide
HSK 4 | noun | the actual site or scene where something is happening
HSK 3 | noun | chopsticks, the traditional East Asian eating utensils
HSK 5 | noun | natural disaster, catastrophic natural event
HSK 4 | noun | the fundamental nature or essence of something
HSK 3 | noun | task, mission, assignment — something assigned or required to be done
HSK 3 | verb / noun | to contact, to get in touch; connection, link, relationship
HSK 3 | noun | a card used for credit-based payment
HSK 1 | noun | train, railway
HSK 4 | noun / verb | a regular behavior or the state of being accustomed
HSK 3 | noun / adverb | time reference word for events after a stated point
HSK 3 | noun | the image or impression someone or something projects
HSK 4 | verb / noun | offering analysis or opinion on something
英 (ei/): England. JLPT N5 kanji.
HSK 4 | noun | a model, template, or small-scale replica
HSK 4 | verb/noun | to assess a situation and reach a conclusion; the act of judging
HSK 5 | adjective | external, outward, superficial (as opposed to internal)
HSK 4 | adjective | demanding exact compliance with rules or standards
HSK 5 | noun | immersive computer-simulated environment
We are given the coordinates of two distinct trees on a Cartesian plane, and we know that the garden forms a perfect square aligned with the axes. Each vertex of the square has a tree, so there are exactly four trees.
HSK 5 | verb/adjective | to mislead someone or to be in a state of confusion
HSK 1 | noun | school, educational institution
HSK 5 | phrase | a connector used to introduce additional points or items
HSK 3 | noun/adjective | customs and practices passed down through generations
HSK 5 | verb | to show clearly; to express or demonstrate
HSK 4 | verb/noun | to break down a subject into its components in order to understand it
HSK 6 | n | the line or path of one's thinking; a way of approaching a problem
Esperanto vocabulary for arts, traditions, social structures, politics, and cultural life.
HSK 3 | adverb | everywhere, all over — in every place, with no location excluded
男 (man, male): 7 strokes, JLPT N5. On: ダン、ナン. Kun: おとこ.
Sindarin vocabulary for the human body, health, injury, and healing: attested and Neo-Sindarin terms with all known plural forms and example sentences.
HSK 6 | verb | to deduce logically; to perform or present artistically
HSK 5 | adjective | lasting; enduring; able to persist over a long time
HSK 4 | noun | the process or journey through which something develops
HSK 1 | particle | softens suggestions and expresses tentative assumptions
Understand the structure, expectations, and preparation strategies for the KER C2 (Komuna Eŭropa Referenckadro C2) Esperanto examination held at the Universala Kongreso.
Sindarin intransitive verbs, class 3 i-verbs, irregular stems with suppletive roots, and half-strong verb formation.
HSK 3 | adjective / verb | clear, distinct; to be clear about something
HSK 4 | verb/noun | a formal public statement or announcement
HSK 1 | pronoun/determiner | interrogative asking for selection among options
HSK 3 | verb | to love something with great passion
HSK 4 | verb / noun | organizing or scheduling people and tasks
All Sindarin prepositions with their mutation triggers: soft, nasal, and mixed — with worked examples and the dative/genitive constructions.
半 (half): 5 strokes, JLPT N5. On: ハン. Kun: なか-ば.
Learn 〜として (as, in the capacity of) — the N3 pattern for expressing roles, identities, functions, and premises.
HSK 1 | adjective | pleasant to look at, applies broadly to people and things
HSK 5 | verb | to complicate, to make more complex, to become complicated
HSK 2 | adjective | easy to do, likely to happen
Master the structure and language conventions of Chinese academic essays, including argumentative thesis writing, paragraph development, and formal transitions.
HSK 2 | verb | to grasp the meaning of a skill, language, or subject; contrast with 明白
HSK 4 | noun | an established set of rules or organizational structure
雨 (u/ame): rain. JLPT N5 kanji.
The problem presents a simple scenario: George and Alex want to find a dormitory room together. Each room in the dormitory has a current occupancy and a maximum capacity.
HSK 5 | verb | to adapt oneself or something to new conditions or requirements
Learn to talk about dates, days of the week, and clock times, and understand why time comes before the verb in Chinese.
HSK 3 | noun | an umbrella used to shelter from rain
HSK 3 | verb / noun | to explain, to interpret, to clarify; an explanation
HSK 5 | noun | an overflow of water onto normally dry land; a flood
HSK 4 | verb/noun | to threaten; threat
Detailed Mandarin Chinese learning roadmap from complete beginner to C2: four phases, milestones, plateau strategies, and immersion techniques.
Command Esperanto's -ig- and -iĝ- suffixes to express causation and inchoative change, and understand how transitivity determines accusative use.
HSK 2 | verb + result complement | indicates the action of looking results in actually seeing
HSK 5 | noun phrase | the health of the population managed through organized societal efforts
HSK 2 | verb | to feel or think based on personal impression; contrast with 认为 for reasoned opinion
HSK 3 | verb + result complement | to express something in a way that is fully understood
HSK 4 | adverb | describing slow, incremental change over time
HSK 5 | noun | one's sense of self and identification with a group or role
HSK 5 | verb/noun | to authorize; to grant authority or permission
手 (hand): 4 strokes, JLPT N5. On: シュ、ズ. Kun: て.
Learn how potential complements with 得 and 不 express ability or possibility, one of the most productive grammatical patterns in Mandarin.
Complete guide to all major Japanese particles: は が を に で から まで と も の か ね よ — with meaning, usage rules, and example sentences.
HSK 3 | noun | dormitory, student housing, staff quarters
HSK 4 | noun | money spent or charged for a service or activity
HSK 3 | noun | neck, the part of the body connecting the head to the shoulders
HSK 6 | n | the situational, cultural, or linguistic context in which a word or utterance occurs
Complete the correlative table with the universal ĉi- (every/all) and negative neni- (no/nothing) series, plus -ajn and combining forms.
HSK 4 | adjective | having a negative, passive, or pessimistic attitude
HSK 4 | verb/noun | to publicize, to promote; publicity, propaganda
Master the Latin perfect tense using the 3rd principal part, and distinguish completed from ongoing past action.
HSK 5 | n/v | a symbol or symbolic representation; the act of symbolizing