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 lock and keyadv. phr.Secured; locked up; well protected. 妥善保存着；锁起来；安全锁藏着。◆ Dad keeps all his valuables under lock and key.爸爸把他的贵重物品统统锁了起来。
随便看	at great length at half mast at hand at hand also at close hand or near at hand at heart at home at issue at it at large at last at last also at long last at least at leisure at length at liberty at loggerheads at long last at long last at loose ends at most at most or at the most at odds at once at one at one fell swoop

英语词组固定搭配大全包含9718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。