单词	off-the-books
释义	off-the-books adjective ˈȯf-ṯẖə-ˈbu̇ks  : not reported or recorded off-the-books transactions off-the-books covert operations off the books adverb Word History First Known Use 1975, in the meaning defined above off-the-books adjective as in clandestine Synonyms & Similar Words Relevance clandestine off-the-record surreptitious undercover covert underground back-channel private stealth closed-door undisclosed backstairs confidential furtive stealthy underhanded sneaky classified sneak secret hidden underhand hush-hush hole-and-corner subterranean restricted behind-the-scenes unadvertised hugger-mugger top secret sneaking privy concealed secreted unexposed Antonyms & Near Antonyms public overt open avowed straightforward unclassified unrestricted acknowledged undisguised aboveboard obvious unconcealed manifest evident clear plain patent See More
随便看	crossed paths with crossed specially crossed the rubicon crossed up crosser crossers crosses crosses (out) crosses (up) crosses crosslet crosses moline crosses off crosses out crosses over crosses paths crosses paths (with) crosses paths with crosses up crossest crossette crossettes crossfader crossfaders crossfall crossfalls

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