捉摸不定 zhuō mō bù dìng

DEFINITIONS

  1. unpredictable; hard to figure out or grasp

CHARACTERS

捉 zhuō
HSK 6
grasp, clutch; catch, seize
摸 mō
HSK 5
gently touch with hand; caress
不 bù
HSK 1
no, not; un-; negative prefix
定 dìng
HSK 3
decide, settle, fix