HSK 7-9
弄虚作假
nòngxū-zuòjiǎto practice fraud (idiom); by trickery
审计发现有人弄虚作假。
Shěnjì fāxiàn yǒurén nòngxūzuòjiǎ.
The audit found that someone had falsified information.
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Appears across levels (7-9) in the HSK 3.0 word list.