| 单词 | unknown |
| 释义 | adjective, adverb | noun unknownunknown1 /ˌʌnˈnoʊn◂/ ●●○ S3 W3 adjective, adverb 1not known about: The year of Gabor’s birth is unknown.unknown to His criminal history was unknown to us. For some unknown reason, Fred quit his job and moved to Alaska.unknown to somebody [sentence adverb] Unknown to his family, Ron was suffering from a brain infection.2not famous: an unknown artist3an unknown quantity a person or thing whose abilities or likely behavior are not known: He was an unknown quantity when he started playing professional hockey. adjective, adverb | noun unknownunknown2 noun 1[countable] someone who is not famous: Butler was still an unknown when he starred in the movie.2[countable] something that is not known: The long-term effects of the drug are still an unknown.3[countable] math, algebra a mathematical quantity that has a value that is not known and that is usually shown as a letter in equations4the unknown things that you do not know about or have not experienced: The astronauts began their journey into the unknown. a fear of the unknown |
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