To assign: to give someone a task to do.
His boss assigned him to increase sales by fifty percent.
Her company assigned her to find out more about the competition.
To penalize: to fine of punish someone for doing something wrong.
They were penalized for breaking the rules.
You will be penalized if you are late.
To lay off(裁员）: to fire or sack a worker because business is bad.
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.
To recruit：to look for new employees to hire.
They are expanding their business and recruiting new employees.
She joined the company after she was recruited at a job fair.
To resign(辞职）: to voluntarily quit one's job.
His boss didn't like him, so he was asked to resign.
She resigned from her job because of health reasons.
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