英语词组under lock and key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	under lock and key
释义	●under ˌlock and ˈkeylocked up in prison, in a safe, etc. 被囚禁；锁在保险柜里◆The escaped prisoners are now safely under lock and key.现在逃犯们被严加看管。◆The exam papers must be kept under lock and key until half an hour before the exam.试卷必须严密保管，考试前半小时才能取出。
随便看	tip your hand tip your hat to sb tire tired tirekicker tires tissue tit Titanic tit for tat titty tizzy to to a fault to all appearances to all intents and purposes to a man to and fro to a ripe old age toast to a T to a tee to a T/tee -to-be to begin with

英语词组固定搭配大全包含20132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。