小學而大遺

Simplified: 小学而大遗

xiǎoxué'érdàyí ㄒㄧㄠˇ ㄒㄩㄝˊ ㄦˊ ㄉㄚˋ ㄧˊ

    • to concentrate on trivial points while neglecting the main problem (idiom)

Character by character

Sources