To bring home the bacon.- To earn a living for the family.

For example:

"He felt it was his responsibility to bring home the bacon."

"To crack the whip ."- To make someone work harder by threatening them.

For example:

"We finished the project on time, but only because I really cracked the whip."

A dead end job. -A job that has no chance of promotion or advancement.

For example: "She left the company because she was very ambitious but in a dead end

job."

To get the sack -To be dismissed from your job.

For example:

"He was always coming late, so eventually they sacked him."

To work your fingers to the bone. - To work really hard.

For example:

"She kept the family together by working her fingers to the bone."

Above and beyond the

call of duty

  If a person does something which is above and beyond the

  call of duty, they show a greater degree of courage or effort

  than is usually required or expected in their job.

  "The fire-fighter received a medal for his action which went

  above and beyond the call of duty

The cream of the crop

  This expression is used to refer to the best people or things in

a

  particular group.

  "As usual, the cream of the crop of this year's graduates

  were offered the best jobs."

Learn the ropes   If you learn the ropes, you learn how to a particular job correctly.

Show somebody the ropes

  If you show someone the ropes, you teach or explain to

them

  how to do a particular job.

  "The manager is busy showing the ropes to two new

trainees."

Get the sack /be sacked

  If someone gets the sack, they lose their job, usually

because they

  have done something wrong.

  "Charlie got the sack when his boss caught him stealing."

Shape up or ship out

  This expression is used to warn someone that if they do not

improve,

  they will have to leave their job.

  "When Tom started neglecting the customers, he was told to

   shape up or ship out."