Đồng nghĩa của on your guard

on the lookout alert attentive aware heedful observant on the alert on the ball prepared vigilant wary watchful careful leery chary guarded cautious circumspect on guard mindful on the qui vive on your toes with eyes peeled on the watch apprehensive suspicious cagey awake on tiptoe gimlet-eyed sharp-eyed all ears sharp on the job on one's toes open-eyed keen ready prudent eagle-eyed tentie tenty Argus-eyed hawk-eyed keen-eyed not missing a trick suspecting with weather eye open keeping a weather eye on things anxious regardful looking to paying attention wide-awake agog on alert on toes keeping your eyes peeled waiting on with eyes like a hawk concentrating acute beady-eyed looking for keeping one's eyes skinned with one's eyes open wide-eyed perky fully awake active bright-eyed and bushy-tailed fast on the draw quick wired heads up sceptical mistrustful distrustful conscious dubious doubtful measured gingerly hesitant keeping a weather eye on politic watching one's step walking on eggs watching out reserved restrained shrewd conservative playing safe walking on egg shells thoughtful tentative provident discreet belt-and-braces scrupulous thinking twice reticent considerate forethoughtful precautious safe hedging one's bets discriminating keeping on one's toes handling with kid gloves with one's eyes peeled with reservations judicious calculating taking it slow sensitive canny wise glued unsleeping perceptive with one's eyes skinned wakeful hooked wide awake discerning concerned skeptical thrifty frugal sparing economical uncertain unsure parsimonious doubting unwasteful sensible timid miserly cynical reluctant mean stingy saving uneasy penny-pinching shy forehanded tactful questioning scrimping moderate tight unbelieving undecided sagacious abstemious economizing deliberate economising nervous iffy uptight fearful cheap trustless defensive unsettled diplomatic jealous fastidious reasonable self-protective apologetic softly-softly noncommittal untrusting disbelieving close-fisted self-justifying incredulous farsighted unconvinced unexciting hinky close lacking confidence boring unenterprising forearmed non-committal penny-wise been hit before delicate unadventurous in doubt punctilious disinclined meticulous hesitating controlled halting wavering diffident unhurried temperate ambivalent vacillating backward averse afraid irresolute lacking trust methodical mingy chintzy conscientious lacking faith ungenerous preserving conserving grasping solicitous cheese-paring tight-fisted quizzical penurious meagre wondering negativistic avaricious meager careful with money spare having reservations closefisted gentle calm gradual squeamish dainty mistrusting patient economic secretive sage worried skittish protective equipped sly well-prepared commonsensical evasive elusive tight-lipped taking notice far-seeing foresighted watching playing one's cards close to one's chest vague unrevealing expedient have reservations have misgivings insecure equivocal timorous traditional conventional unimaginative low overcautious overcareful possessive jaundiced show-me distrusting hip straight stay-at-home uncreative strait-laced narrow-minded square stuffy limited without faith not born yesterday without belief close-lipped strategic considered thorough psyched up keeping a weather eye open switched on keeping one's eyes open keeping one's eyes peeled intelligent judgmatical judgmatic close-mouthed faltering cost-effective efficient stick-in-the-mud kid-glove money-saving time-saving work-saving spartan abstinent austere understated unexaggerated loath illiberal on the rims practical prudential skimping curmudgeonly civil worldly-wise monastic monkish self-denying puritanical ascetic nunlike non-indulgent self-disciplined uncharitable finicky unsteady shaky unconfident cheeseparing dead repetitious mind-numbing ho-hum tiresome stale unvaried tiring insipid uninteresting dull old routine monotonous tedious flat wearisome humdrum skinflinty on lookout having foresight not rash balanced rational logical pragmatic deep reasoned levelheaded inhibited constrained particular tightwad like a clam near conformist mature tightfisted half-hearted stewardly Scrooge-like cost-conscious stinting ungiving money-conscious pinching money-grubbing pinchpenny vacillatory wobbly expectant well thought-out well-grounded indecisive delaying dithering stalling oscillating hanging back havering shilly-shallying scrimpy dilly-dallying cunctatory having misgivings having qualms cognizant unwilling uneager unpredictable dawdling in a quandary blowing hot and cold slow on the horns of a dilemma humming and hawing in two minds lazy in a dilemma upon one's guard respectful alive to fuel-efficient energy-efficient fuel-saving energy-saving sentient witting alive ware conscious of aware of knowledgeable observing knowing conversant observative sensible of awake to careful of chary of wary of cognizant of acquainted with watchful of wise to alert to heedful of au courant know ins and outs know all the answers on to plugged in in the know tuned in regardful of recognizant of be up on hip to

on your hands on your high horse on your knees on your last legs on your marks on your own on your doorstep on your deathbed on your bike on your beam-ends onymous onychorrhexis