workhorse russian

• тяжелове́с

  heavyweight (athlete), heavyweight boxer

  heavy draught horse, coldblood horse, workhorse

  heavy-tonnage train, heavy-duty truck, heavy cargo ship

  hardened criminal, serious offender

• си́вка

  grey horse, grey workhorse

  golden plover

Examples

• Наш дед был настоящий роботяга.

  Our grandfather was a real workhorse.

• Этот роботяга работает по двенадцать часов.

  That workhorse works twelve hours a day.