Đồng nghĩa của close to one's chest

private secret confidential clandestine covert unofficial closet protected classified closed inside secretive stealthy discreet hidden privileged sneaky stealth surreptitious undercover underground backstage backstairs dissembled esoteric furtive hushed incognito intimate nonpublic privy restricted undisclosed unknown backdoor concealed inconspicuous offstage sneak underhanded censored dark sneaking underhand unpublished unrevealed unseen untold veiled non-public top secret top-secret in camera strictly confidential under wraps behind the scenes behind-the-scenes hole-and-corner hush-hush not for publication not in the public domain off the record under one's hat behind someone's back hugger-mugger not for circulation not open not to be disclosed not to be made public cloak-and-dagger one-on-one tête-à-tête sly black shrouded on the QT obscured under-the-table sub-rosa buried conspiratorial disguised quiet shifty cloaked personal cunning wily back-alley backstair under the table masked slippery skulking sub rosa slinking indirect covered devious ulterior exclusive mum mom crafty camouflaged artful close shady foxy sensitive hole-in-the-corner obscure buttoned up hidden away guileful tricky scheming screened reserved undivulged under-the-counter between ourselves evasive cautious unidentified not visible unauthorized unnoticeable secreted fraudulent incog arcane silent catlike invisible tucked away unauthorised uncommunicated surprise out of sight kept secret on the sly on the quiet clouded with a lid on in secret restricted access unobtrusive internal intelligence undeclared unprofessed spy regulated unbowed inner bosom mysterious murky duplicitous feline enigmatic catty noiseless creep underneath designing strict tight clever subtle subversive dirty unfair shorthanded unethical unscrupulous kept concealed illegal shonky illicit illegitimate quick need to know snide dern fly slim low-down unacknowledged dissimulated carny backroom carefully guarded closely guarded cowardly yellow in private secondary underlying nameless unexpressed in holes and corners low-key unapparent unnamed hidden from sight hidden from view out of view lost to view between you and me ambiguous mystic occult strange unenlightened deep enigmatical unintelligible out-of-the-way mystical sealed between you and me and the gatepost between you and me and the doorpost between you and me and the wall between you and me and the bedpost unsaid special in ambush unrelated unrecounted allowed granted controlled exceptional limited under cover unreported in strict confidence eyes-only in confidence not to be quoted to be kept under wraps not to be mentioned not for public consumption not public within these four walls for eyes only perdu enshrouded unspoken unstated unmentioned unnarrated suppressed planted stashed cached recondite guarded insidious calculating elusive creepy circumspect unconfirmed covered up hushed up holed up unsubstantiated uncorroborated cloak and dagger put in the hole hole and corner undocumented unauthenticated unsanctioned unratified uncertified off-the-record unendorsed shrewd slick dodgy deceitful dishonest Machiavellian cagey canny deceptive sharp astute cute beguiling crooked conniving treacherous double-dealing untrustworthy cagy ingenious smooth dubious dishonourable smart dishonorable cheating sharp-witted Janus-faced pawky intriguing savvy vulpine disreputable disingenuous intelligent resourceful suspicious knowing fishy slimy streetwise skillful skilful adroit two-faced manipulative suspect unprincipled seedy corrupt false bent oblique snidey sketchy rogue plotting imaginative dexterous politic street smart street-smart dextrous backhanded reptilian fiendish immoral roguish keen smarmy arch roundabout perfidious traitorous questionable circumlocutory contriving dissembling bluffing scandalous iffy illusory captious delusive masterly adept inglorious deft proficient circuitous greasy acute fast snaky inventive periphrastic crazy like a fox fly-by-night as sharp as a tack shadowy cryptic nefarious perceptive discerning wise bootleg unlawful tactful alert discriminating tricksy impish mischievous crazy like fox lying mean stinky under the counter tactical heady quick-witted mendacious collusive unhonest huggermugger experienced mean-spirited malicious irregular brilliant sinister wormlike perilous ensnaring dangerous dirty-dealing like a snake in the grass sly like a fox sagacious neat whip-smart venomous dicey potentially illegal of dubious character heads-up lurking virulent vipery on the side insincere implicit unsporting unsportsmanlike inferred tacit errant obliquitous gimmicky implied two-timing understood below the belt playing politics put on playing games not straightforward faking one out allusive inexplicit hinted at

close to perfect close to tears close to the bone close to the ground closet queen close-trimmed closet oneself close to hand close together closet of ease close to closetings