1520s, "crafty, cunning," as foxes are, from fox (n.) + -y (2). Middle English had foxish in this sense (late 14c.). Of colors, stains, tints, etc. from 18c. Meaning "attractive" (of a woman) is from 1895, American English slang. Related: Foxiness.
The compiler of the "Brut" chronicle, complaining of English fashions in the time of Edward III, notes that þe wemmen ... were so strete cloþed þat þey lete hange fox tailes sawyd beneþe with-inforþ hire cloþis forto hele and heyde hire ars. That is, the women's clothing was so tight/scanty "that they let hang fox tails sewn inside their clothes at the back to ... hide their arses," the which behavior, he writes, perauenture afterward brougte forþe & encausid many mys-happis & mischeuys in þe reaume of Engelond.
权威例句
1. He had wary, foxy eyes.
他的眼睛机警而又狡诈。
2. He was a foxy old trader.
他是个老奸商.
3. The FOXY Sensor system will change the way you work.
FOXY传感器系统将改变你的工作方式.
4. Our FOXY probes range in thickness from sub - microns to a few microns.
FOXY探测厚度从亚 微细 粒到几个微米.
5. What technical references are available in support of the FOXY Fiber Optic Oxygen Sensors?