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1.A blank cheque?
--as much money to spend as is wanted or needed
2.Blue chip company?
--Used in the context of general equities. Large and creditworthy company. Company renowned for the quality and wide acceptance of its products or services, and for its ability to make money and pay dividends. Gilt-edged security.
3.Roll up ypur sleeves?
--to prepare for hard work
4.A cash cow?
--a business or a part of a business that always makes a lot of profit
5.Cog in the machine?
--one part of a large system or organization.
6.Make cold calls?
--to visit or telephone a potential but unknown customer from a list of people
7.Dog eat dog?
--people will do anything to be successful, even if what they do harms other people
8.Donkey work?
--hard, boring work
9.Down the drain?
--if work or money goes down the drain, it is wasted
10.Pay lip service?
--to express loyalty, respect, or support for something insincerely.