keep a journalkeep a level headkeep a lid onkeep a lid on itkeep a lid on somethingkeep a log ofkeep a lookoutkeep a low profilekeep a man downkeep a mental notekeep a notebookkeep a pen and paper handykeep a person companykeep a person in suspensekeep a positive outlookkeep a promisekeep a recordkeep a record of somethingkeep a scrapbookkeep a secretkeep a sharp eye onkeep a spare tire in your car for emergencieskeep a stiff upper lipkeep a straight facekeep a strapkeep a tab on sbkeep a tab on sthkeep a tally of sthkeep a temperkeep a tight reinkeep a tight rein onkeep a wary eye onkeep a watch onkeep a weather eye openkeep above boardkeep abreast ofkeep abreast of the situationkeep abreast of the timeskeep accountkeep accountskeep afloatkeep afterkeep aheadkeep all citationskeep aloftkeep aloofkeep an appointmentkeep an eagle eye onkeep an eagle eye outkeep an ear to the ground
