culprit ['kʌlprit]

犯罪者（名词）

(noun) Someone who is responsible for a crime or offensive action.

EXAMPLE: After the huge robbery, the police searched the city to find the culprit.

这起重大抢劫案发生后，警察搜索了整个城市，寻找罪犯。

to hit a snag

遇到阻碍

To encounter an obstacle that delays or prevents further progress.

EXAMPLE: The big construction project had been going well, but it hit a snag yesterday when the architect discovered flaws in the building’s foundation.

这个大型建筑工程一直进展顺利，但在昨天遇到了障碍，建筑师发现大楼的地基有缺陷。