横挑鼻子竖挑眼

Traditional (Taiwan): 橫挑鼻子豎挑眼

héngtiāobízishùtiāoyǎn ㄏㄥˊ ㄊㄧㄠ ㄅㄧˊ ˙ㄗ ㄕㄨˋ ㄊㄧㄠ ㄧㄢˇ

    • to pick on sth incessantly (idiom)
    • to criticize right and left

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
picking at the nose crosswise and at the eyes lengthwise
Meaning
Finding fault with everything in every way. Critical; close to 'nitpicking'.

Sources