Dictionary Entry: 殚精竭虑
Word
Pinyin
殚精竭虑
dān jīng jié lu:4
to exhaust one's thoughts and ingenuity (idiom); to think sth through thoroughly ꞏ to rack one's brains ꞏ to leave no stone unturned
to exhaust one's thoughts and ingenuity (idiom); to think sth through thoroughly ꞏ to rack one's brains ꞏ to leave no stone unturned