抽查

警察在路上抽查驾照

jǐngchá zài lù shàng chōuchá jiàzhào

Police are conducting random checks on driving licenses

质检部门定期抽查产品质量

zhìjiǎn bùmén dìngqī chōuchá chǎnpǐn zhìliàng

Quality control department regularly samples product quality

这次抽查发现了很多问题

zhè cì chōuchá fāxiàn le hěn duō wèntí

This random check revealed many problems