:)

try to make people say good things about you

:)

This is a piece of advice which means that one should not concentrate all efforts and resources in one area as one could lose everything

achieve two aims at once

:)

a discreditable or embarrassing fact that someone wishes to keep secret

:)

:)

:)

If you say that someone does not have a leg to stand on, or hasn't got a leg to stand on, you mean that a statement or claim they have made cannot be justified

:)