怵怵忐忐 chùchutǎntǎn be anxious and restless Origin Definitions Defs Strokes Stroke Words Sentences Sents 怵 chù reduplication to fear to fear; to be afraid; to feel frightened; to feel timid忐 tǎn reduplication [nervous] (bound form) used in the word 忐忑 tǎntè, meaning nervous or uneasy