let well alone

all very well

All right to a certain extent, but problematic beyond that, or for other people.

as well

In addition; also.

buy to let

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

do well by doing good

To achieve social acceptance or financial success as a result of behaving in a benevolent or charitable manner.

do well for oneself

To thrive or succeed.

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.

fare thee well

The greatest extent; completion; a state of refinement or perfection.

get well

To recover from an illness or injury.