费人思索 fèi rén sī suǒ

DEFINITIONS

  1. to think oneself to exhaustion (idiom)

CHARACTERS

费 fèi
HSK 4
expenses, expenditures, fee
人 rén
HSK 1
man; people; mankind; someone else
思 sī
HSK 2
think, consider, ponder; final particle
索 suǒ
HSK 5
large rope, cable; rules, laws; to demand, to exact; to search, inquire; isolated