tarnish

大学 FREQ #29451 ★☆☆☆☆

n. 失泽, 失泽膜, 污点 vt. 使失去光泽, 玷污 vi. 失去光泽, 被玷污

发音

UK /ˈtɑːnɪʃ/
US /ˈtɑɹnɪʃ/

词形变化

tarnishes 复数 tarnishes tarnished tarnishes 三单 tarnishest tarnisheth tarnishing tarnisht tarnishing 现在分词 tarnished 过去式 tarnished 过去分词

教材释义与例句

名词

晦暗，无光泽；污点

动词

玷污；使……失去光泽；使……变灰暗

动词

失去光泽；被玷污；变灰暗

释义与例句

n.
  1. 1.

    Oxidation or discoloration, especially of a decorative metal exposed to air.

    不可数

    1918, Hannah Teresa Rowley, Mrs. Helen Louise (Wales) Farrell, Principles of Chemistry Applied to the Household Precipitated calcium carbonate, a very fine powdery form, is used as a basis for many tooth powders and pastes. As whiting it finds a wide use in cleaning metals of their tarnishes.

v.
  1. 1.

    To oxidize or discolor due to oxidation.

    不及物

    Careful storage of silver will prevent it from tarnishing.

  2. 2.

    To compromise, damage, soil, or sully.

    及物

    He is afraid that she will tarnish his reputation if he disagrees with her.

  3. 3.

    To lose its lustre or attraction; to become dull.

    比喻 不及物
  4. 4.

    To use a sign, image, expression, etc. sufficiently close to a trademarked one that it brings disrepute to it.

    法律

词汇关系

名词

上位词 3

stain discoloration discolouration
动词

同义词 4

stain sully defile maculate

上位词 4

spot blob blot fleck

下位词 1

darken

词源

From Middle English ternysshen, from Old French terniss-, stem of ternir (“to make dim, make wan”), borrowed from Old High German *ternen, tarnen, from Proto-West Germanic *darnijan (“to conceal”). Doublet of dern and darn.

来源：wiktionary