?非常安静
... as quiet as a mouse非常安静 Don't wake them up！ Be as quiet as a mouse.不要把他们吵醒了！安静一点。 as blind as a bat看不见，瞎的，也可以用来嘲笑某人视力不好 ...
?一声不响
... as poor as a church mouse 一贫如洗 as quiet as a mouse 一声不响 as silent as a mouse 静无声息 ...
?悄无声息
... as quick as lightning快如闪电 as quiet as a mouse悄无声息 as red as a beetroot满脸通红的 ...
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。