a long, deep hole dug in the ground, for example for carrying away water 沟；渠 Workmen were digging a trench beside the road. 工人正在路旁挖沟。
Oxford Collocations Dictionaryadjective- deep
- narrow
- shallow
- …
- dig
- warfare
- foot
- in the trench
a long, deep hole dug in the ground in which soldiers can be protected from enemy attacks (for example in northern France and Belgium in the First World War) 战壕，堑壕（如第一次世界大战期间在法国北部和比利时开挖的） life in the trenches 战壕生活 They had not been prepared for the horrors of trench warfare. 他们对堑壕战的恐怖经历还没有思想准备。
Oxford Collocations Dictionaryadjective- deep
- narrow
- shallow
- …
- dig
- warfare
- foot
- in the trench
- (also ocean trench)
a long, deep, narrow hole in the ocean floor 海沟；大洋沟
Word Originlate Middle English (in the senses ‘track cut through a wood’ and ‘sever by cutting’): from Old French trenche (noun), trenchier (verb), based on Latin truncare ‘to maim’.