“Leave no stone unturned”

“Dead set against”

Strongly opposed to something.

“No strings attached”

Without special conditions or obligations.

“Close call”

A situation where something bad almost happened.

“Fine line”

A small difference between two things.

“Go without saying”

To be obvious.

“Get a grip”

To control your emotions or understand reality.

“Carry weight”

To be important or influential.

“Face value”

The obvious or stated value of something.