The police knew they had to trap the killer.

警察知道他们得抓住那个凶手。

《柯林斯英汉双解大词典》

This landscape seemed to trap and amplify sounds.

这种地形好像能聚拢和扩大声音。

《柯林斯英汉双解大词典》

The team posed as drug dealers to trap the ringleaders.

该专案组成员们假扮毒品贩子来诱捕犯罪头目。

《柯林斯英汉双解大词典》

Lee soon discovered that it would not be easy to break out of the trap that Richmond and Petersburg had become.

VOA: special.2009.12.17

So obviously, not a good thing, but amazingly easy to fall into this trap.

天呐，他真棒，所以很明显，这不是一件好事，但是很容易上当。

麻省理工公开课 - 计算机科学及编程导论课程节选

Suppose standing on the bridge next to the fat man, I didn't have to push him, suppose he was standing over a trap door that I could open by turning a steering wheel like that.

假设我站在桥上，胖子就在我旁边，我不用去推他，假设他踩在一扇活板门上方,而活板门可以通过转动方向盘来开启。

耶鲁公开课 - 公正课程节选

Replacing carpet with tile or wood floors is also beneficial, since carpets tend to trap dander.

CNN: What to do if you're allergic to your pet

"We're not trying to trap parents, " said George Davison, the head of Grace Church School.

WSJ: Parents Take Gamble For Top School Slots

Hitting one of them could fatally damage the shuttle, so NASA has been trying to trap them.

NPR: NASA Sets New Discovery Launch Date for July 4