1. 一次走运：--a stroke of lightning. 一道闪电 | --a stroke of luck一次走运 | --a stroke of misfortune, 一次不幸
2. 意外的好运：a stroke above || 高出一头, 高明一些 | a stroke of luck || 意外的好运 | a stroke of work || 一点工作
3. 一次幸运：A fit of anger. 一阵怒气. | A stroke of luck. 一次幸运. | A burst of a pplause. 一阵鼓掌声.
4. 一点运气：a string of keys 一串钥匙 | a stroke of luck 一点运气 | a suite of rooms 一套房间
1. Although it was definitely a stroke of luck for Liu and her family, the fact remains that a great many people like Liu still cannot afford medical treatment.
2. In another stroke of bad luck, all the family's belongings were washed away in a flood submerged their hometown.
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3. Most purchases were the result of a lot of detective work, aided by one stroke of luck.
4. Some women are even born without one, which seems like a stroke of luck considering the pain involved.