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HSK 7

忽A忽B

忽A忽B (hū A hū B) - Now A now B (fluctuating)

Explanation

The structure '忽A忽B' expresses an irregular, unstable back-and-forth change between two states A and B, usually an antonymous pair. For example '忽高忽低' (now high, now low), '忽快忽慢' (now fast, now slow). It emphasizes a fluctuating, uneven quality.

Examples

叔叔书房的门关着，里边的说话声忽高忽低。
shūshushūfángdeménguānzhe，lǐbiāndeshuōhuàshēnghūgāohūdī。
他十分紧张，心跳得忽快忽慢。
tāshífēnjǐnzhāng，xīntiàodéhūkuàihūmàn。

Learn “忽A忽B” effectively

The grammar point “忽A忽B” (忽A忽B (hū A hū B) - Now A now B (fluctuating)) is one of the key structures at HSK 7. To use it fluently, you need to understand the contexts where it's used and practice regularly.

Study tip: read the examples aloud many times to build a natural reflex. Then try making your own sentences for your own situations. Use the audio button to hear and practice accurate pronunciation.

You can also view the full “” lesson to understand the related grammar and vocabulary more deeply.

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