扪虱而谈

Explanation: Palpable: Press. Side flick with lice, one side talking. Describe the conversation theft, nothing to dread. 　　Source: "Book of Jin Wang Meng Chuan" Huan Wen entry, Meng Yi is brown and the one thing when the world's interview, palpable lice concerned, no one else. " 　　Examples: ~, Then actually pass as cause for rejoicing. (Lu Xun's "only _set_s · Wei Jin demeanor and relationship with drugs and alcohol in the articles")