刨根问底

Explanation: Analogy bottom line accountability. 　　Usage: Joint type; as predicate, attributive; metaphor bottom line accountability 　　Source: Lao She, "Mr. Chang's philosophy": "Who inquisitive to evidence." 　　Examples: ~ You are What do you mean? You are not head of law and order, but not the militia captain! ★ Liu Qing 'business history' first Chapter Thesaurus:  run to ground, dig Make a thorough investigation of basio-, plate Make a thorough investigation of basio-, Sougentichi, Digging to find the source of the, Pursuit ray tracing