感激不盡 gǎn jī bù jìn

DEFINITIONS

  1. can't thank sb enough (idiom)

CHARACTERS

感 gǎn
HSK 3
feel, perceive, emotion
激 jī
HSK 4
arouse, excite, incite; quickly
不 bù
HSK 1
no, not; un-; negative prefix
盡 jìn exhaust, use up; deplete