蹲守

lián yè dūn shǒu

连夜蹲守

undercover for the whole night

jǐng chá zài nà lǐ dūn shǒu

警察在那里蹲守。

The police were undercovering there.

tā men wèi le zhuā zhù zuì fàn xuǎn zé dūn shǒu zài kě yí dì diǎn

他们为了抓住罪犯，选择蹲守在可疑地点。

In order to catch the criminal, they chose to squat in a suspicious place.