勤劬

qínqú
  1. (literary) one who toils; one who works hard
  2. (literary) to toil; to work hard
  3. one who toils; one who works hard
  4. to toil; to work hard

Wiktionary

Entry Composition

=1 勤 qín
  1. diligent; industrious; hardworking
  2. frequent; regular; constant
  3. (bound form) work; duty; attendance
=1 勤 qín
  1. variant of 勤 qín
  2. industrious
  3. solicitous
2 劬 qú labor