每日商務英語 第609期:在夜幕的掩護下
under the cover of darkness ------- 在夜幕的掩護下(成語)
英文釋義
(IDIOM) Describing something done secretly at night.
例句
Last night a group of thieves broke into our factory under the cover of darkness and stole a lot of valuable equipment.
昨天晚上,一羣竊賊在夜幕的掩護下溜進了我們的工廠,偷走了大量的貴重設備。