bite your tongue means you force yourself to keep quiet这是个很形象的俚语,意思是忍住不说,相应的bite my tongue就是自己忍住不说话;例如:当你不赞同某人的说法或者做法的时候,为了不引起争执You can just bite your tongue and walk away你可以选择忍住不说,转身离开。这个idiom很形象的说,bite your tongue字面上来看就是咬住舌头,实际上就是忍住不说的一个代表性动作。例如:My boss said I was useless. I just bit my tongue and walked away, even though I thought he was totally an ass. 即便我认为他是个十足的混蛋,我也只是忍住不说转身离开。