英语词组pin sth down是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

词组	pin sth down
释义	●ˌpin sth ˈdownto identify or understand sth exactly 确认；确切理解◆There’s something wrong with this photograph but I can’t quite pin it down. 这张照片有些不对劲儿，可我说不太清楚。◆Doctors have been unable to pin down the cause of her symptoms. 医生们还不清楚她为什么会有这些症状。[v + n/pron + adv] [v + adv + n]
随便看	get up sth get up sth get up to sth get with sb get with sth (informal) get with the program get yourself over get yourself over get yourself together gin ginger ginger sb/sth up (BrE) gin sth up (NAmE) give giveaway giveaway giveaway give in (to sb/sth) give off sth give of sth give of yourself (formal) give onto sth (BrE) give out give over (BrE, informal) give sb away

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。