You're a terrible singer, don't give up your day job
His jokes are so bad, he should really don't give up his day job
She tried stand-up comedy once and bombed; she was smart enough to don't give up her day job
That painting is awful, don't give up your day job as an accountant
He thinks he's a great chef, but his food is inedible, so don't give up your day job
You're not a very good dancer, don't give up your day job
His attempt at poetry was laughable, definitely don't give up your day job
She's trying to start a new career, but frankly, don't give up your day job just yet
That business idea sounds like it will fail, so don't give up your day job
He's trying to be a musician, but his music is noise; don't give up your day job
That song you sang was quite... unique.
Oh, you think so? I practiced a lot!
Yes, well, don't give up your day job.
Your singing is a hobby, so don't give up your day job
Perhaps focus on your current career; this isn't your calling
Your primary employment is still your best bet, for now