let things alone

all things considered

Generally speaking; in terms of the big picture.

all things to all people

Someone or something that entirely satisfies the expectations of everyone, no matter how diverse and conflicting those expectations may be.

buy to let

To purchase a property as in investment, and to let it out for rental instead of living in it

don't let the door hit you on the way out

Used as a command to leave in haste, or to indicate that one is glad, or at least unmoved, to see the addressed person leaving.

finer things

That which is considered of a high quality, expensive or tasteful.

hear things

To imagine that one hears sounds that are not actually real; to have auditory hallucinations.

Jack

[Cockney slang]alone

via Jack Jones

leave it alone

Synonym of let it be.