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• v  work very hard, like a slave

• slave
• break one's back
• buckle down

News & Articles

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• Virgo
  You cannot neglect your responsibilities. There are certain things that need to be done and it is your special duty to do them, so knuckle down and get on with them. In a matter of days everyone will be singing your praises...
  June 25, 2013 - New York Post