To maintain order and peace in a volatile situation.
hold the line
To firmly maintain one's viewpoint, principles, or situation; to refus…
keep it together
To maintain composure; to avoid an overly emotional reaction; to suppr…
keep the bones green
To maintain good health and vitality.
keep up appearances
To artificially maintain an outward sign of normality; to maintain an …
keep it up
To maintain or continue a positive streak.
keep the pot boiling
To maintain one's livelihood; to continue to procure the necessities o…