Noun:

1. a stroke of luck

2. a barb on a harpoon or arrow

3. flat bladelike projection on the arm of an anchor

4. either of the two lobes of the tail of a cetacean

5. parasitic flatworms having external suckers for attaching to a host

casualtyn.事故；伤亡者；伤亡人数；<英>急诊室

accidentn.事故；意外；偶然；造化

stroke of luck意外的好运

coincidencen.巧合；一致；同时发生

lucky breakn.命运的转机；好运气

chancen.可能性；机会；偶然性v.偶然发生；碰巧；冒 ... (的险)

freakn.怪人；狂热爱好者；怪事；反复无常adj.奇异的；不正常的vt.使强烈反应(震惊；畏惧)vi.在药物影响下变得异乎寻常

good luck祝好运

good fortune好运

fluen.烟道；暖气管

trematoden.吸虫类的动物；肝蛭

1. His failure in history examination was a mere fluke.
   他历史考试没能及格纯属偶然。
2. She is not usually good at tennis, and that winning stroke was a fluke.
   她平时网球打得并不好，那取胜的一击不过是侥幸而已。
3. She was lucky enough to get the job by a fluke.
   她实在是够幸运的，能在偶然中得到那份工作。
4. It was only by a fluke that these artifacts were unearthed.
   这批文物的出土完全出于偶然。