通风 tōngfēng airy
airy; ventilation; to ventilate; to disclose information
How to remember 通风: 通 pass through + 风 wind = airy.
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How it is used
- Ventilation; to let air through - 房间通风好 (fángjiān tōngfēng hǎo) the room is well-ventilated, 开窗通风 (kāi chuāng tōngfēng) open the window to air it out.
- Also an idiom 通风报信 (tōngfēng bàoxìn) to tip someone off / leak word.
- Everyday for airflow in rooms; the tip-off sense is figurative.