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单词 uncertain
释义 un·certain
I. \“+\ adjective
Etymology: Middle English, from un- (I) + certain
1.
 a. : not fixed in time : being of indefinite date
  < the exact moment of departure is uncertain >
 b. : indeterminate in number, amount, or extent
  < engagements being irregular, the income is uncertainOfficial Register of Harvard University >
  < a tract of uncertain acreage — American Guide Series: Maryland >
2. : not certain to occur : problematical
 < her success in new parts was very uncertain — G.B.Shaw >
3.
 a. : not known, demonstrated, or apparent beyond doubt : open to doubt : questionable
  < unless further evidence is found, his story must remain uncertain >
 b. : ambiguous
  < told him, in no uncertain terms, what he thought of his behavior >
 c. : not clearly identified, defined, or located
  < a fire of uncertain origin destroyed the capitol — American Guide Series: Pennsylvania >
  < a play of uncertain authorship >
  < the two bartenders, sallow women of uncertain age — William Sansom >
4.
 a. : not fixed in place, direction, or course : wandering
  < the silver thread of water tracing its uncertain course along the valley floor — E.A.McCourt >
 b. : not assured, consistent, or dependable in action, behavior, or effect : erratic, unreliable
  < ramshackle buildings lean over the water on their uncertain stilts — American Guide Series: New York City >
  < a gun with a rather uncertain trigger — D.M.MacKay >
 c. : not settled or fixed in character, quality, or state : subject to accident, chance, or change : unpredictable
  < everything is uncertain about the army — Walt Whitman >
  < leading a somewhat uncertain existence — Fortnight >
  < uncertain health >
5.
 a. : not having certain knowledge or conviction : not assured : doubtful
  < tolerant but never uncertain of his convictions — W.A.White >
 b. : not definitely directed : undecided
  < of great ambition, but uncertain aim >
 c. : hesitant, tentative
  < touching the flowers, the ornaments, the books with uncertain fingers — Edith Sitwell >
  < an uncertain gentleness in his tone — Marguerite Steen >
6. : changeable, fickle, variable
 < an uncertain breeze >
 < an uncertain friend >
 < a beautiful and uncertain time, cold and wet and dry and warm — Josephine Johnson >
un·cer·tain·ly adverb
un·cer·tain·ness noun
II. adverb
: uncertainly
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更新时间:2024/11/11 0:24:09