The first thing I do in the morning is to brush my teeth and sharpen my tongue.

我在早上做的头一件事，是刷我的牙、磨我的舌。

youdao

I walked over to the mirror and stuck my tongue out.

我走到镜子前伸出舌头。

《柯林斯英汉双解大词典》

I didn't believe her explanation but I bit my tongue.

我不相信她的解释，但我忍着没有说出来。

《牛津词典》

I think I know The truth is hiding in your eyes And its hanging on your tongue Just boiling in my blood But you think that I can't see What kind of man that you are If you're a man at all Well, I will figure this one out on my own I'm screaming I love you so My thoughts you can't decode How did we get here?

VOA: standard.other

So I just sit in there and work on, work on the sounds that are hard for my English tongue to produce.

有一些和英语发音不同的地方让我感到很难，我会长时间地练习这些发音。

想学好英语吗？ - SpeakingMax英语口语达人

Somewhere just behind and above the root of my tongue, my throat was beginning to tighten.

NEWYORKER: Hand on the Shoulder

"I've had to bite my tongue a hundred times in this job, like never before, " he says.

FORBES: Magazine Article

Lea instructs me to sit deeper in the saddle, shorten my reins, and make a clucking sound with my tongue.

BBC: Iceland on horseback