Đồng nghĩa của keep under careful observation

keep an eye on watch observe surveil eye monitor check scrutinise scrutinize cover stalk survey spy on keep tabs on eagle-eye keep track of keep a tab on keep under observation watch closely keep a close watch on keep one's eye on keep under scrutiny keep under surveillance keep watch on keep a beady eye on watch like a hawk follow track examine keep in sight stake out shadow trail tail study oversee watch over pay attention to note inspect keep under watch hunt hound trace supervise take notice of heed superintend bird-dog regard view look at eyeball scan spy clock check out dog chase pursue course keep a check on run tag see notice behold spot witness perceive discern sight espy descry distinguish catch gaze at take in get a load of take a gander at keep a weather eye on twig take a shufti at take a dekko at record lurk nearby case put a tail on be on the prowl audit mind run after bedog check up on follow secretly lurk close by lurk behind investigate go after follow the trail of listen to contemplate check on discover pick up on reconnoiter peer at recce detect reconnoitre look on get an eyeful of mark work undercover keep a watch on secretly follow observe furtively memorise check up check over keep tabs suss out consider scope memorize give the eagle eye ride shotgun guard lookout over keep under guard keep in view keep watch over give chase to preside over invigilate police conduct follow on hang back linger behind run down string along tag along follow a scent hunt down spoor run to earth run to ground take out after nose out poke along keep up with keep up to date with keep in touch with lurk in the shadows remark gape slang rubberneck stare at size up glance at peruse leer take a look gawp at gaze upon have a gander at have a squint at have a dekko at give something a once-over give the eye give the once-over have a shufti at have take a glance at have a look keep eagle eye on glimpse catch sight of stare gaze gawk make out goggle glare peer ogle look gawp look over lay eyes on pick out review recognize focus blink take note of recognise clap eyes on set eyes on focus on look fixedly overlook assess catch a glimpse of read give something the once-over eagle eye explore peep peek get a glimpse of get an eyeful con flash identify pore over appraise take stock of gape at eye up gawk at look vacantly search vet sweep probe canvass dig glare at pipe estimate beam evaluate assay admire feast one's eyes take a gander gloat bore pay heed to gauge fix one's gaze feast your eyes on lay one's eyes on gage scope out size have sight of take a look at stare open-mouthed peep at stare in wonder weigh up peek at glance scour skim pry squint look into prospect find rubberneck at rate enquire inquire judge glance over pin valuate value test glim rivet leer at have a look-see go over run over guesstimate give the once over go through run your eye over subject to an examination calculate flash on peg take a good look look hard take note become aware of have one's number figure in take account of figure rivet on sift through take heed of adjudge face traverse earmark acknowledge range over concentrate pierce penetrate pick up have a butcher's at wonder know by sight take notice comb give attention to get a sight of see briefly yawp outstare scrutinate look closely beware ogle at glower locate attend screen look intently have a good look fix on concentrate on snoop look earnestly take a good look at rubber lamp ru moon pinpoint place research parse squinny winnow undersee see over take a butcher's at encounter rake try to see be shown over spectate look at carefully look see search into scout question catechize interrogate gaze open-mouthed stare in amazement rivet the eyes on make eyes at check something out ponder believe not take one's eyes off be a witness be on the scene look on at be present be present at be a witness to be on hand work over fix one's gaze at feast one's eyes on look through narrowed eyes spy out surf glass subject to an inspection have a look-see at kick the tires go over with a fine-tooth comb give something a look-see give something a going-over point out meet with turn up ferret out squint at leave no stone unturned in go through with a fine-tooth comb hunt through look through delve in riffle riff browse rumble have a squint feast eyes on narrow your eyes screw up eyes take a shufti take a dekko take a butcher's analyze triangulate register skim through run through dip into analyse graph plot summarise chart summarize set price look something up and down pay attention bear in mind take to heart pay heed give a thought to give thought to hearken attend to hearken to take into consideration guess compute count reckon quantitate meter quantify determine calibrate measure metre weigh ascertain scale tally cast an eye over look up and down lech over lech after get a bird's-eye view of look upon map out deem figure out sum up set at give someone the glad eye make eyes look suggestively look lasciviously drool over give sly looks to undress someone with one's eyes perv on

keep under constraint keep under control keep under custody keep under guard keep under lock and key keep under observation keep under keep trying keep trim keep trekking keep trap shut keep track of