万绪千端
      Explanation: Threads: silk head. Metaphor of the beginning of things, so many things to attend to. Also describe things complicated chaos.
      Source: San Guowei Cao Zhi's "self-commandments": "machine so picky, thousands of end Wan thread, and then finally no speaker."
      Examples: How not to send the book line, there is - not after. ★ Song Liu Guangzu "Magpie Fairies Do not stay" word