Drinking ice is internal heat
Yin Bing Nei re, a Chinese idiom, is pronounced y ǐ Nb ī NGN è IR è, which means to describe anxiety. It comes from Zhuangzi, the world of men.
Idiom explanation
I'm very worried.
The origin of Idioms
Zhuangzi, the world of men: "today, I am ordered to drink ice in the evening. What's my internal heat and energy?" Cheng xuanyingshu: "Zhuliang was ordered in the morning and drank ice in the evening. He was full of fear and sorrow, and his heart was burning."
Drinking ice is internal heat
This is tolerable, which is intolerable - cǐ ér kě rěn ,shú bù kě rěn
It's like going through fire and water - rú dǎo shuǐ huǒ