词组	be at sth
释义	●be ˈat sthto be busy doing sth 忙于；专注于◆He’s been at his essay all night. 他整夜都在写文章。◆I’ll be at it all day tomorrow. 我明天一整天都会处理这件事。[v + prep] ●be ˈat it (informal) 1. to behave badly; to argue or fight 不守规矩；争吵；打架◆The kids are at it again. 孩子们又闹起来了。2. to have sex 性交；做爱
随便看	come from sth come from sth come from sth, come from … come in come in come in come in for sth come in sth come into sth come into sth come into sth come in with sb (on sth) come in (with sb) on sth come of doing sth come off come off come off come off sth come off sth come of sth come on come on come-on come on sth

英语词组固定搭配大全包含8584条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。