Chinese

{| style="clear: right;margin: 1em;border-collapse: collapse;text-align: center"

|- ! !callous on hand or foot !hand; convenient; -er !callous !foot; to be sufficient |- !simp. and trad.
(胼手胝足) | 胼 | 手 | 胝 | 足 |}

Idiom

胼手胝足

1. long toiling