tongue tip

It was on the tip of Mahoney's tongue to say the boss was out.

马奥尼想说老板出去了，话到嘴边却没说出口。

Red tip of tongue indicates excessive heart-fire.

舌尖红--心火亢盛.

'Why, it's on the tip of your tongue.

“ 怎么啦, 那人不就在你的舌尖上么?

The answer was on the tip of my tongue, but I could't think of it.

我差点就想起那答案来，可就是想不起来。

Taste buds are concentrated at the tip and rear of the tongue and around its periphery.

味蕾集中于舌尖、舌根和舌头两侧。

The tip of her tongue was protruding slightly.

她的舌尖微微伸出。

A sarcastic remark was on the tip of her tongue.

挖苦的话到了她嘴边却没说出来。

Drink a cup of boiling water. Therefore tip of tongue numb. There is no perception.

喝一杯滚烫的水. 舌尖因此麻木. 毫无知觉.