引经据典 (yǐn jīng jù diǎn)

lit. to quote the classics; to quote chapter and verse (idiom)

Character breakdown

Usage

他发言时总喜欢引经据典,显得自己很有学问。

He always likes to quote authoritative sources when speaking, making himself seem very learned.

Tā fā yán shí zǒng xǐ huān yǐn jīng jù diǎn, xiǎn de zì jǐ hěn yǒu xué wèn.