设伏

shè fú zhuō dí

设伏捉敌

lay an ambush to capture enemy soldiers

jǐng chá shè fú děng dài nà xiē wǎn shang gēn zōng mù biāo sì jī zuò àn de dǎi tú

警察设伏等待那些晚上跟踪目标伺机作案的歹徒。

Police officers lie in wait for the gangs who stalk their prey at night.