Chinese

edit
entirely; to exhaust
energy; perfect; excellent
energy; perfect; excellent; refined; very; proficient
 
exhaust anxiety
trad. (殫精竭慮)
simp. (殚精竭虑)

Pronunciation

edit

Idiom

edit

殫精竭慮

  1. to exhaust one's energy and rack one's brain
  NODES
Note 1