To assign, to give someone a task to do.
His boss assigned him to increase sales by 50%.
Her company assigned her to find out more about the competition.
(His department was the one which was assigned to complete the project, so our department wasn't involved.)
To penalize, to fine or punish someone for doing something wrong.
They were penalized for breaking the rules.
You will be penalized if you are late.
(They were all penalized, so they had to work even harder to complete the project on time.)
To lay off, to fire or sack a worker because business is bad.解雇
The company was failing, so he was laid off.
Our company had to lay off 50% of our employees.
A company may have to lay off workers when business is bad.
(He was doing a good job, but the company had to lay him off because they were losing money.)
To recruit, to look for new employees to hire.招聘
They are expanding their business and recruiting new employees.
She joined the company after she was recruited at a job fair.集市
(He left his job because he was recruited by another company and offered a much higher salary.)
To resign, to voluntarily quit one's job.辞职; 志愿地;
His boss didn't like him, so he was asked to resign.
She resigned from her job because of health reasons.
(She has decided to resign because she wants to spend more time with her family.)