tongues
Your tongue is the soft movable part inside your mouth which you use for tasting, eating, and speaking.
I walked over to the mirror and stuck my tongue out.
我走到镜子前伸出舌头。
You can use tongue to refer to the kind of things that a person says.
She had a nasty tongue.
她满口脏话。
A tongue is a language.
The French feel passionately about their native tongue.
法国人非常热爱他们的母语。
tongue in cheek
A tongue-in-cheek remark or attitude is not serious, although it may seem to be.
a lighthearted, tongue-in-cheek approach.
漫不经心、虚情假意的态度。