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knock down
Demolish
Hit and injure someone
knock over
To bump or strike something in such a way as to tip it
To rob; to stage a heist
knock out
Hit and make somebody unconscious
Sell, distribute
knock together
Join houses that had been separate
knock off
Finish work for the day
Reduce the price of something
Reduce the time required to do something
Steal
Produce or create something quickly
knock about
Beat someone
knock up
Become or get someone pregnant.
Play a bit before a match to get ready
Produce or create something quickly
knock around
Discuss casually
knock back
Cost someone a lot of money
Finish a drink quickly, drink a lot of alcohol
Shock
knock on
to commit a foul by knocking the ball forward.