按时 (ànshí)

按时 means on time or punctually, in accordance with the scheduled or agreed time. 按 means according to or in line with, and 时 means time. It emphasizes doing something exactly when it is supposed to be done. A related adverb is 准时 (zhǔnshí), which also means on time. Both are used in similar contexts, but 按时 slightly emphasizes following a set schedule, while 准时 emphasizes punctuality in arriving or starting.

Meanings

[adverb] On time; punctually; according to schedule.

Example Sentences

请按时完成作业。 Qǐng ànshí wánchéng zuòyè. Please finish the homework on time.

他每天都按时上班。 Tā měitiān dōu ànshí shàngbān. He goes to work on time every day.

吃药要按时，不能忘。 Chī yào yào ànshí, bù néng wàng. You must take your medicine on time and not forget.

飞机按时起飞了。 Fēijī ànshí qǐfēi le. The plane took off on time.

Collocations

Collocation	Meaning
按时完成	to complete on time
按时到达	to arrive on time
按时交作业	to submit homework on time
按时服药	to take medicine on schedule
按时还书	to return books on time

Memory Hook

按 means to press or follow, 时 means time. Press yourself to follow time exactly, like pressing a button at the exact right moment.