idiom > Jianlaorenyuan
Contents
肩劳任怨
Pinyin: jiān láo rèn yuàn

Explanation: 犹任劳任怨。

No. 2
  Still hard working. Chih Chen, Ji Ming, "Book <Wenzhong of public Collection> after the": "Masahiro Nakai Colonial by left shoulder any blame labor, lack of will."
Translated by Google
No. 3
  Still hard working. Not afraid of hardship, and is not afraid innocuous.
Translated by Google