苦心孤詣 kǔ xīn gū yì

to make painstaking efforts (idiom); after much trouble

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. to make painstaking efforts (idiom); after much trouble
  2. 2. to work hard at sth

Characters

Character Meaning
苦 kǔ HSK 4
bitter; to suffer; hardship
心 xīn HSK 3
heart; mind; intention
孤 gū HSK 6
lonely; lone
詣 yì
one's current attainment in learning or art