IdiomDaily LifeChinese

班门弄斧 (bān mén nòng fǔ)

Meaning: To display feeble skill before a true master.

Literally: To show off your axe at Lu Ban's gate

Example: “在大厨面前炒菜,我这是班门弄斧。” — Cooking in front of a top chef, I'm teaching my grandmother to suck eggs.

English equivalent: Teach your grandmother to suck eggs

Equivalents in other languages

Origin: Lu Ban, of the state of Lu (5th century BC), is the legendary master craftsman of China. The phrase is best known from a poem by the Ming poet Mei Zhihuan on Li Bai's grave, mocking visitors who left verses there: "to come and go writing a poem here is to brandish an axe at Lu Ban's door." It means showing off one's small skill before a master.

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