keep straight

cobbler, keep to your last

One should not criticise matters outside one's field of expertise; one should mind one's business.

damn straight

Without doubt, certainly, for sure.

draw a straight furrow

To live correctly or ethically, without deviating from the right line of duty.

earn one's keep

To perform satisfactory physical labor or to provide other worthy services in return for remuneration, lodging, or other benefits; to support oneself financially.

get one's head straight

To clear one's mind; to think clearly.

get one's priorities straight

Synonym of get one's act together.

get straight

Synonym of clarify: to make clear, to reach an understanding.

go straight

To discontinue engaging in criminal acts; to become a law-abiding person.