Synonym of know someone from Adam

(idiomatic) To commit fully.

Synonym of the grass is always greener on the other side

Synonym of between you and me

To experiment in a haphazard or random manner with the hope that some amount of success may be encountered.

Alternative form of bang one's head against a brick wall.

(intransitive, idiomatic) To waste effort on a futile project.

Try the same thing (or similar things) often enough, and, even if the general standard is poor, sometimes one will be successful.

Try the same thing (or similar things) often enough, and, even if the general standard is poor, sometimes one will be successful.