What are the idioms to describe a thorn in the throat?

Idioms that describe things like sticking in the throat-such as bones stuck in the throat, eating in the throat and bones stuck in the throat.

It's like having a fishbone stuck in your throat-when a person can't restrain his opposition, it's necessary to speak out.

Pinyin rúgúng záI hóu

The definition is that the fishbone is stuck in the throat. It's hard to be honest.

From the source, eat bones and leave them in your throat. -Han Xu Shen's "Shuo Wen Jie Zi"

Whenever I read this speech, I always feel excited, such as in my throat.

I have something on my mind, so don't say it.

Pinyin g incarnation

The fishbone got stuck in my throat. It's hard to be honest.

From the source, eat bones and leave them in your throat. -Han Xu Shen's "Shuo Wen Jie Zi"

I know the truth, but I can't say it. It's like eating bones in your throat.

A fishbone stuck in my throat-I have an idea/criticism that I can't help expressing.

Pinyin gǔgěng záI hóu

The fishbone is stuck in the throat, which means that there is something in my heart that I haven't said, and I feel uncomfortable.

The source servant knows that when something is done, let bygones be bygones. There is nothing like smelling something pressing on his heart, like a bone in his throat, and spitting it out quickly. -Qingyuan beauty? Synopsis of the golden chamber

A lot of words, such as sticking to the throat, don't spit, don't spit!

Antonym? Frankly speaking, say what you think.