不合理 (bù hélǐ) — Unreasonable / irrational
HSK 4 | adjective | not in accordance with reason or logic
不合理 (bù hélǐ)
不合理 describes something that does not conform to reason, logic, or fairness — the opposite of 合理 (reasonable).
Meanings
- [adjective] unreasonable, irrational, unfair, illogical
Example Sentences
这个规定非常不合理，大家都不满意。 Zhège guīdìng fēicháng bù hélǐ, dàjiā dōu bù mǎnyì. This rule is very unreasonable, and everyone is dissatisfied.
他的要求太不合理了，我没办法答应。 Tā de yāoqiú tài bù hélǐ le, wǒ méi bànfǎ dāying. His demands are too unreasonable; I have no way to agree.
这种不合理的现象必须改变。 Zhè zhǒng bù hélǐ de xiànxiàng bìxū gǎibiàn. This kind of unreasonable phenomenon must change.
价格这么高，真的很不合理。 Jiàgé zhème gāo, zhēn de hěn bù hélǐ. Such a high price is truly unreasonable.
Collocations
| Collocation | Meaning |
|---|---|
| 不合理的要求 | unreasonable demand |
| 不合理的规定 | unreasonable rule or regulation |
| 不合理的现象 | unreasonable phenomenon |
| 不合理的分配 | unfair distribution |
Usage Notes
不合理 is the negation of 合理 (reasonable/rational). It is often used to criticize rules, prices, behavior, or systems. At B1 level, it frequently appears in opinion essays or discussions about social issues.
Memory Hook
Break it down: 不 (not) + 合 (fit/conform) + 理 (reason/logic) = "does not fit reason" = unreasonable.