班门弄斧 ChineseDict

班 Ban1 班

门 men2 門

弄 nong4 弄

斧 fu3 斧

to display one's slight skill before an expert (idiom)

Info

Wiktionary: 班门弄斧
MDBG: 班门弄斧
Examples with 班门弄斧 on Tatoeba
Percentile: 41 (higher is more common)
Tags: chengyu