记小账

Traditional (Taiwan): 記小賬

jìxiǎozhàng ㄐㄧˋ ㄒㄧㄠˇ ㄓㄤˋ

    • to remember others' wrongs to settle accounts later
    • to bear grudges

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
keep a little account book
Meaning
To remember every wrong others have done so as to settle accounts later. Critical of a petty, grudge-holding person. Cf. "to keep score."

Sources