| 单词 | tarnish |
| 释义 | tarnish —tarnishable, adj. /tahr"nish/, v.t. 1. to dull the luster of (a metallic surface), esp. by oxidation; discolor. 2. to diminish or destroy the purity of; stain; sully: The scandal tarnished his reputation. v.i. 3. to grow dull or discolored; lose luster. 4. to become sullied. n. 5. a tarnished coating. 6. tarnished condition; discoloration; alteration of the luster of a metal. 7. a stain or blemish. [1590-1600; < MF terniss-, long s. of ternir to dull, deaden, deriv. of terne dull, wan < Gmc; cf. OHG tarni, c. OS derni, OE dierne hidden, obscure; see -ISH2] Syn. 2. taint, blemish, soil. Ant. 1. brighten. |
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