knock off something

1. to stop doing something

She knocked off work at four pm.

2. deduct

The manager knocked off her salary because of her tardiness.

3. kill

His uncle knocked off the pig to be offered in the ceremony.

4. overcome, defeat

Pacquiao knocked off Bradley in their last fight.

5. rob

Four armed men knocked off the bank last night.

6. copy, imitate

Why did you knock off the latest dress design of my aunt?

pv, 14-05-15 11:10, 14-05-15 15:56, Marz