赞不绝口 zàn bù jué kǒu

DEFINITIONS

  1. to praise without cease (idiom); praise sb to high heaven

CHARACTERS

赞 zàn help, support, assist, aid
不 bù no, not; un-; negative prefix
绝 jué to cut, sever, break off, terminate
口 kǒu mouth; open end; entrance, gate