with obj.
1- prevent (something considered wrong or undesirable) from succeeding挫败, 阻挠（错误, 令人不快的事）：
a brave policewoman foiled the armed robbery.
一勇敢女警挫败了这起持械抢劫。
1.1
- frustrate the efforts or plans of挫败, 阻止…的努力（或计划）：
their rivals were foiled by the weather.
他们对手的企图因天气受挫。
1.2
- Hunting (of a hunted animal) run over or cross (ground or a scent or track) in such a way as to confuse the hounds【猎】（猎物）搞乱, 搅乱（嗅迹, 足迹）。
1
- Hunting the track or scent of a hunted animal【猎】猎物足迹（或嗅迹）。
2
- archaic a setback in an enterprise; a defeat〈古〉挫折; 挫败, 失败。
词源
Middle English （in the sense 'trample down'）： perhaps from Old French fouler 'to full cloth, trample', based on Latin fullo 'fuller'. Compare with FULL2.
1
- mass noun metal hammered or rolled into a thin flexible sheet, used chiefly for covering or wrapping food箔, 金属薄片。
2
- a person or thing that contrasts with and so emphasizes and enhances the qualities of another陪衬者, 陪衬物：
his white cravat was a perfect foil for his bronzed features.
他的白色领结完美地衬托着他古铜色的面孔。
2.1
- a thin leaf of metal placed under a precious stone to increase its brilliance（宝石）衬箔。
3
- Architecture a leaf-shaped curve formed by the cusping of an arch or circle【建筑】叶形饰。
词源
Middle English: via Old French from Latin folium 'leaf'.
- a light, blunt-edged fencing sword with a button on its point花剑, 轻剑。
派生词
foilist
noun词源
late 16th cent.: of unknown origin.