贊不絕口

Simplified: 赞不绝口

On the HSK 7-9 vocabulary list, at CEFR level C1.

zànbùjuékǒu ㄗㄢˋ ㄅㄨˋ ㄐㄩㄝˊ ㄎㄡˇ

    • to praise without cease (idiom) praise sb to high heaven

Character by character

Sources