Đồng nghĩa của hole in the corner

clandestine covert furtive private secret stealthy surreptitious underground underhand backstairs behind-the-scenes hole-and-corner cloak-and-dagger closet concealed hidden hugger-mugger hush-hush sly sneaky undercover back-alley privy sneak sneaking stealth underhanded under-the-counter under-the-table artful black foxy fraudulent illegal illegitimate illicit on the QT secretive under wraps on the quiet in holes and corners disguised veiled unsuspected masked buried incognito shrouded incog QT ulterior dissembled camouflaged cloaked obscured sub rosa confidential undisclosed wily cunning indirect shifty unrevealed covered conspiratorial crafty sub-rosa devious shady unseen unknown under the table classified obscure scheming tricky top-secret restricted skulking slinking slippery oblique screened backstair guileful discreet duplicitous cryptic enigmatic invisible calculating unscrupulous sidelong dark evasive inconspicuous quiet guarded sideways designing hushed underlying hidden away mysterious subtle dishonest unethical backdoor deceitful dirty conniving unfair shonky top secret insidious covered up slim intimate dishonourable silent unpublished strictly confidential cautious untold deep feline crooked dodgy behind someone's back undeclared cagey unapparent double-dealing nonpublic closed privileged reserved clouded esoteric dishonorable not visible tight-lipped under cover not for publication off the record clever out of sight not for circulation non-public not to be disclosed not to be made public imperceptible unrecognizable close undetectable inside in ambush fly shadowy snide indistinct catlike catty noiseless surprise two-faced undivulged dubious treacherous carny disreputable unofficial unrecognisable unexpressed mean murky cheating personal elusive unexposed intriguing Machiavellian deceptive deepest cagy shrewd beguiling innermost cute slick enshrouded on the sly unnoticeable latent unspoken inward unvoiced individual darkest low-down inner tucked away inmost perdu buttoned up deep-seated with a lid on in the dark in secret unauthorized intelligence dissimulated spy unauthorised slinky contemptible creep underneath unbowed subversive shorthanded side uncommunicated nefarious huggermugger secondary quick cloak and dagger creepy circumspect unprofessed bootleg unlawful hole and corner kept concealed kept secret slanted under the counter implied larvate cabalistic mum anonymous mom unsaid slanting dirty-dealing disingenuous astute suppressed unidentified untrustworthy manipulative secreted nameless unnamed ambiguous strange unenlightened enigmatical mystic occult unintelligible out-of-the-way mystical canny dissembling plotting captious sharp skilful delusive skillful bluffing ingenious illusory smart smooth nifty traitorous immoral unprincipled hinted at ill-defined pretend false assumed unspecified faceless Janus-faced unsporting unsportsmanlike two-timing vague unclear stashed planted cached recondite sham forged mock artificial fake imitation unsung honest real true below the belt shielded hooded roundabout reticent uncommunicative indiscernible protected holed up hushed up fishy bent snidey pseudo feigned phoney counterfeit unseeable insincere bottled up mystery indistinguishable imperceivable unnoticed unobserved unforthcoming clamlike cowardly errant obliquitous erring gimmicky backstage yellow unobtrusive put in the hole masquerading changed phony in disguise offstage nonexistent undetected eclipsed unperceivable inappreciable censored withdrawn closemouthed non-communicative tight-mouthed introvert taciturn introverted close-mouthed playing politics put on playing games intangible ghostly impalpable vaporous not in view unviewable imponderable impossible to detect unobservable insensible ethereal imaginary not in sight gaseous out of view faking one out not straightforward zipped self-contained in camera behind the scenes sailing under false colours not in the public domain under one's hat close to one's chest not open in the background in private playing your cards close to your chest in chambers tête-à-tête clammed up in privacy one-on-one

hole in the ground hole in the wall hole-in-the-wall hole-in-the-walls hole punch hole punches hole in ones hole in one holed up holed hole-and-corner hole and corner