English version

off-guard

From Longman Dictionary of Contemporary Englishoff-guardˌoff-ˈguard adjective [not before noun]   catch/take somebody off-guard
Examples from the Corpus
off-guardCarson seemed to have been taken off-guard by her appreciation.Beauty had become an abstraction; she was never caught off-guard by it.Malcolm liked to rattle you, catch you off-guard by making demands nobody could possibly meet.Caught off-guard, he blushed slightly, blinked his hazy blue eyes, and looked away in embarrassment.When half-asleep and off-guard her vocabulary was raunchy.Caught off-guard Wednesday, he apologized and reversed course.
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