使變暗（及物動(dòng)詞）

(transitive verb) To darken; to make dim; to overshadow.

EXAMPLE: A wall of clouds moved inland from the sea to obumbrate the late afternoon sky.

云霧由海上飄至內(nèi)陸，讓午后的天空變得昏暗,。

under the gun

在逼迫之下（成語）

(IDIOM) Working under pressure either to meet a rapidly approaching deadline, or to make an improvement.

EXAMPLE: The engineering team is under the gun to have their project finished by the end of the month.

這支工程師團(tuán)隊(duì)在期限的逼迫下于月底把項(xiàng)目完成了,。