- labour incessantly on duties
- 宵: night
- 旰: evening; night
- 勤劳: diligent; industrious; hardw ...
- 勤劳: diligent; industrious; hardworking; industrious and courageous 勤劳的双手 an untiring pair of hands
- 勤劳的: assiduous - remiss; hard-orking; hardworking; labor---laborious
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