| Idiom | Meaning | Example | 
| catch as catch can | 
no order, get what you can
 | 
The Clearance Sale was catch as catch can - each one for himself.
 | 
| catch hell [B] | 
get a scolding or lecture, get it, get shit  [B]
 | 
"Did you catch hell for cheating?" "Yes. The teacher lectured me and gave me zero on the exam."
 | 
| catch it | 
get a scolding or lecture, catch hell  [B]
 | 
Did you catch it for coming in late? Was your mom mad?
 | 
| catch me by surprise | 
surprise me, not warn me
 | 
The snowstorm in May caught us by surprise. We didn't expect it.
 | 
| catch me doing that | 
see me doing that, find me doing that
 | 
You won't catch me skydiving. It's too dangerous.
 | 
| catch on | 
learn how to do, learn the ropes
 | 
We need trainees who catch on quickly - people who learn fast.
 | 
| catch on | 
get work, get a job,  hire on
 | 
Maybe you can catch on with a survey crew for the summer.
 | 
| catch phrase | 
idiom, popular phrase, buzzword
 | 
There's a catch phrase for Newfoundland: The Rock.
 | 
| catch some rays | 
have a sun bath, get a sun tan, bag some rays
 | 
When we get to Hawaii, you can catch some rays. It's sunny there.
 | 
| catch some z's | 
sleep, get some rest, crash
 | 
Do you mind if I catch some z's on your couch? I'm sleepy.
 |