Idiom: Don’t give up your day job.
Meaning: A saying to imply you are not very good at something, so you shouldn’t try it professionally, or at all.
Hey, Mark don’t give up your day job!
British Idioms
Idiom: Kick the Bucket
Kick the Bucket – a euphemistic, informal, or slang term meaning ‘to die’.
Example: Charlie finally kicked the bucket. He had cancer, you know.
Idiom: As Cool As a Cucumber
As Cool As a Cucumber – very Calm or very calmly especially when this is surprisin.
Example: The spy walked in as cool as a cucumber, just like nothing had happened.