2. Only a thin thread is connected, which seems to be broken but not broken.
3. Metaphor means that things are extremely critical, and later it means that there are few heirs in skills and other aspects.
4. Biography of the Ram Four Years of Xi Gong: "Yi Di is also ill in China, and South Yi and North Di are in contact, and China is endless.
5. "It also describes a weak and long voice.
6. Song Sushi's "Red Cliff Fu": "The lingering sound is endless.
7. "Idiom discrimination synonyms: as dangerous as eggs, in jeopardy.
8. antonym: unbreakable and secure.