?噤若寒蝉

这样的例子不胜枚举，再如as mute as a fish（噤若寒蝉），like a drown rat（淋湿得像落汤鸡），as hungry as a bear（饥饿如狼），a rat in a hole（瓮中捉鳖），set the fox to keep ...

?默不作声

... as strong as a horse / an ox 壮如牛 as mute as a fish 默不作声 as nimble as a goat 身手灵活，举动敏捷 ...