The initial idioms of the letter K

keep tabs on	keep the ball rolling
Keep the faith!	Keep the faith baby!
keep the home fires burning	put the lid on
keep the lid on (something)	keep the peace
keep the stork flying	keep the wolf from the door
keep (one's) hair on	keep (one's) paws off (something or someone)
keep (up) (one's) side of the bargain	keep (one's) socks on
keep (someone) on a short leash	keep (someone) under (one's) thumb
keep things straight	Keep this to yourself
keep time	keep to
keep to oneself	keep to the straight and narrow
keep together	keep track
Keep trying	keep under
keep under hat	keep under one's hat
keep under wraps	keep until some time