「闹」

热闹、闹腾、闹肚子。一个字管一片喧哗。

别闹了。           Stop it. / Cut it out.
孩子在闹。         The kid is fussing.
闹肚子。           Have an upset stomach.
闹矛盾。           Have a conflict.

四张脸

中文	英文
闹（胡闹）	mess around / act up / fuss
闹（热闹）	lively / busy
闹（身体不适）	have a ... problem / be having issues
闹（冲突）	have a fight / conflict

动手

孩子又闹了。

✅ The kid is acting up again. / Throwing a fit.

别闹。

✅ Stop messing around. / Cut it out.

市场很热闹。

✅ The market is lively / bustling.

闹肚子。

✅ My stomach is acting up. / I have a stomach bug.

"act up" —— 万能

The kid is acting up.         孩子闹。
The car is acting up.         车闹毛病。
My back is acting up.         腰又犯了。

act up 字面"行动起来" —— 不听话、不对劲。非常地道。

小卡片

闹（胡闹）      →  mess around / act up
闹（热闹）      →  lively / bustling
闹（身体）      →  act up / have issues
闹矛盾          →  have a fight / conflict

——下一课：「犯」。