1. Ruuding on thin ice. Pronunciation of the idiom: rú lǚ bó bīng. Definition of the idiom: Ru: to walk on, to step on.

2. Like walking on thin ice.

3. It is a metaphor for acting extremely cautiously and with caution.

4. The source of the idiom: "Poetry·Xiaoya·Xiaomin": "Warming with fear, as if facing an abyss, as if walking on thin ice.

5." Abyss thin ice Abyss thin ice, Chinese idiom , the pinyin is shēn yuān bó bīng, which means facing the abyss with your feet on thin ice, which is a metaphor for being in a dangerous situation and being wary.

6. From "The Book of Songs·Xiaoya·Xiaomin".