Pull out the wedge
Chinese idiom, Pinyin is ch ō UD ī NGB á Xi ē, which means solving problems. From Du Liu Cui.
The origin of Idioms
The fourth fold of Du Liu Cui by Li Shouqing of Yuan Dynasty: "I'm afraid the public can't reach it. If you have doubts, please drop down and ask. I'll fight with him." One book is called "ChuDing chujiao".
Idiom usage
Used as a predicate or attributive; used to solve doubts.
Pull out the wedge
the broken stem of a floating duckweed -- wandering about - duàn gěng piāo píng
be both socialist-minded and professionally competent - yòu hóng yòu zhuān
Monofilament does not form thread - dān sī bù chéng xiàn