excoriates
v. 擦傷( excoriate的第三人稱單數 ); 擦破(面板); 剝(皮); 嚴厲指責
To excoriate a person or organization means to criticize them severely, usually in public.
He proceeded to excoriate me in front of the nurses.
他開始在護士面前痛斥我。
This idiom excoriates those who show accomplishments in front experts.
“班門弄斧”這個成語,用來在行家面前顯示本領.