Words — 1 found
xīn
ㄎㄨˇ ㄒㄧㄣ ㄍㄨ ㄧˋ
Simplified Traditional 苦心孤诣 苦心孤詣
  1. Idiom, Verb
    1. to make painstaking efforts
  2. 2. after much trouble
  3. Verb
    3. to work hard at sth