To pull out a wedge
Chinese idiom, Pinyin is B á D ī ngch ō uxi ē, which means to pull out the nail, pull out the wedge. It is a metaphor for relieving difficulties. From Du Liu Cui.
Analysis of Idioms
To draw a wedge
The origin of Idioms
The fourth fold of Du Liu Cui written by Wu Mingshi in 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."
Idiom usage
To use a metaphor to remove difficulties
To pull out a wedge
compassion is the principle of life - cí bēi wéi běn
One's reputation is distinguished. - zī shēng wàng zhòng