What idioms describe "extreme anxiety"?

Interpretation: trembling: trembling. Describe being very scared.

Anxious

Interpretation: fear: fear. I'm scared and uneasy.

Like a mountain in the back? [rúmáng záI bèI]

Interpretation: Describe extreme anxiety.

Turn over the intestines and stir the belly? [fān Chang Jiǎo dù]

Interpretation: describe the extreme longing or feeling very uneasy inside.

Lost souls? 【 generation after generation 】

Interpretation: describe being upset and in a trance; Describe extreme panic.

Pinyin: jídêbún?

Explanation: refers to the panic and fear in the heart and the uneasiness in the mind.

Example:

A nightmare made me feel extremely uneasy, and my mother's inculcation made the haze in my heart suddenly disappear.

As Ewing wrote, "He felt extremely uneasy about his talents," Squier wrote. Steichen told his colleague photographer paul strand that he was "tired of poverty".

His phone has been disconnected, which makes me extremely uneasy and afraid that he will get lost.

I forgot to review yesterday, and the idea of failing the exam made me extremely uneasy.