Bring up — To mention something
Mark was sick and had to miss the party, so please don’t bring it up, I don’t want him to feel bad for missing it.
Bring on — To cause something to happen, usually something negative
His lung cancer was brought on by years of smoking.
Bring it on! — To accept a challenge with confidence
You want to have a race? Bring it on! I can beat you!
back up :to support or encourage
The new evidence backs up my arguments.
be carried away :to be so excited about something that you do not control what you say or do
There's far too much food - I'm afraid I got a bit carried away.
blow up : start
If a storm or an argument blows up, it starts suddenly.
break down :If a machine or vehicle breaks down, it stops working.
My car broke down on the way to work.
break in: to get into a building or car using force, usually to steal something