to keep at arm’s lengthto keep at bayto keep awaketo keep in good trimto keep in mindto keep in touchto keep movingto keep nose cleanto keep on arguingto keep on eye outto keep one's end upto keep one's hand into keep polishedto keep postedto keep schtum'to keep someone in checkto keep something at bayto keep sometimes under your hatto keep the home fires burningto keep the pot boilingto keep the truth darkto keep up the good workto keep watchto keep your headto keep your head above the waterto keep your nose cleanto keep your powder dryto kick a habitto kick rocksto kick things offto killto kill a man with a cushinto kill a mockingbirdto kill somebody with kindnessto kill someoneto kill the goose that lays the golden eggsto kill the vibeto kill two birds with one stoneto kill with wearinessto kiss somebody's assto knock one off one's feetto knock s oneto knock the crap out of somebodyto knowto know a thing or twoto know as much about as a hog knows about sundayto know as much about something as a hog knows about sundayto know as much about something as a pig knows about sundayto know by heartto know how to behave
