| Idiom | Meaning | Example | 
| catch the wave | 
join the trend, do what is popular
 | 
Condos are popular now. Should  we buy one and catch the wave?
 | 
| catch up | 
arrive later, join you
 | 
You go ahead. I'll catch up with  you at the bus stop.
 | 
| catch-up | 
(See play catch-up)
 | 
 | 
| catch up on | 
do something that you have neglected
 | 
Ali can't go to the movie. He has to catch up on his homework.
 | 
| catch up with | 
revealed or exposed, come back to haunt you
 | 
When your lies catch up with you, it's embarrassing.
 | 
| catch you at a bad time | 
visit or call when it is inconvenient
 | 
You look very sad. Did I catch you at a bad time?
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| catch you later | 
I will talk to you later, I will see you later
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I have to leave now.                       Catch you later.
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| catch you off guard | 
surprise you, say what you do not expect
 | 
Did my comment about dog poop catch you off guard?
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| catch your death | 
become very ill, catch a bad cold
 | 
In this terrible weather, put on a coat or you'll catch your death.
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| catch your eye | 
cause you to look,  get your attention
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When I was in Paris, a Peugeot cabriolet caught my eye. Ah!
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