HSK 7-9
核查
héchá动
to examine; to inspect
审计人员正在核查每笔支出。
Shěn jì rén yuán zhèng zài hé chá měi bǐ zhī chū.
The auditors are checking every expenditure.
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Appears across levels (7-9) in the HSK 3.0 word list.