追根究底

Explanation: Foundation accountability. Generally refers to ask one thing of the reason. 　　Usage: Joint type; as predicate, object, adverbial; with compliment 　　Source: Hong Shen, "Flying General": "You do journalists, is asked like this get to the bottom." 　　Examples: Get to the bottom of the spirit of learning is very valuable. Thesaurus:  follow the vine to get the melon, track down sb. or sth.by following clues, race to very roots, Trace the source of demand, Trace to its source Antonym Group:  Yue Busishu, glory, fad alive, slash-and-burn cultivation, Daogenghuonou, all that have been achieved is spoiled, Qiangongjinmie, Bantuerfei, do sth.by halves; leave off sth.halfway; give up halfway, something to write home about, exaggerate, Exaggerated, magniloquence, exaggerate, catch at shadows, make vain efforts, Enthrallment Wake, Learn it without, talk with great relish, unction, stop striving after obtaining a little knowledge about something, skimming over the surface, Huonoudaogeng, eisegesis, stretch the meaning, Students pull lug, Health and pulled a slow death, talk that sounds impressive but is in fact empty and worthless, Crucial moment, eat birds and animals raw, damselfly dap daps, turn goose into swans, gain a superficial understanding through cursory observation, Gallop or trot along on horseback Of flower, swallow ancient learning without digesting it, swallow without understanding