| 单词 | unbeknown |
| 释义 | Word Frequency unbeknown(ˌʌnbɪˈnəʊn) or unbeknownst (ˌʌnbɪˈnəʊnst) adverb 1. (sentence modifier; foll by to) without the knowledge (of a person) unbeknown to him she had left the country adjective 2. (postpositive; usually foll by to) rare not known (to) Word origin C17: from the archaic beknown known; see be-, know |
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