Subject + 扣留 + Object
The verb 扣留 (kòuliú) means "to detain," "to hold in custody," or "to seize." It is used when someone or something is forcibly kept and not allowed to leave or be released. It commonly appears in legal, military, and official contexts.
海关扣留了一批没有合格证的进口商品。
Hǎiguān kòuliúle yī pī méiyǒu hégézhèng de jìnkǒu shāngpǐn.
Customs detained a batch of imported goods without proper certification.
那名嫌疑人已被警方扣留。
Nà míng xiányírén yǐ bèi jǐngfāng kòuliú.
The suspect has been detained by the police.
他的护照在机场被扣留了。
Tā de hùzhào zài jīchǎng bèi kòuliúle.
His passport was confiscated at the airport.