leave it alone

eat and leave no crumbs

Synonym of eat (“to be very good at something; to rule; to rock”).

French leave

A departure taken quietly and unnoticed, without asking for permission or informing anyone.

Jack

[Cockney slang]alone

via Jack Jones

leave a sour taste in one's mouth

To give one an unpleasant feeling or memory.

leave at the door

To dispense with something for now; to forget about it situationally, or omit or discard it in a given place or instance.

leave behind

To abandon.

leave for dust

To leave or abandon someone alone without helping or caring for them.

leave home

To stop living with one's parents.