HSK 7-9
抽查
chōuchá动
random inspection; to do a spot check
学校将随机抽查食堂卫生。
Xué xiào jiāng suí jī chōu chá shí táng wèi shēng.
The school will conduct random checks of cafeteria hygiene.
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Appears across levels (7-9) in the HSK 3.0 word list.