adj.侥幸的；不可靠的；幸中的；变化无常的

The weather in this city is fluky, one day it's sunny, the next it's pouring rain.
这座城市的天气变化无常，一天阳光明媚，第二天就下起倾盆大雨。
His mood swings are so fluky, you never know how he'll react to any news.
他的情绪变化不定，你永远不知道他对任何消息会有什么反应。
She won the lottery, what a fluky turn of events!
她中了彩票，真是意想不到的运气！
The team's performance was fluky, they won by a narrow margin despite their lack of preparation.
这支队伍的表现有点侥幸，尽管没有做好准备，却以微弱的优势获胜。
Fluky bets don't guarantee consistent winnings in the long run.
非常偶然的赌注并不能确保长期的稳定收益。
It's not a fluky victory; they've been training hard for months.
这不是偶然的胜利，他们已经刻苦训练了几个月。
The athlete's injury was considered a fluky occurrence, not a result of poor training.
运动员的受伤被认为是偶然事件，而不是训练不足导致的。
The stock market can be fluky, with prices fluctuating rapidly and unexpectedly.
股市波动不定，价格涨跌快速且难以预测。
His success as a musician seems like a fluky combination of talent and luck.
他作为音乐家的成功似乎是一种天赋和好运的意外结合。
Don't rely on fluky coincidences to solve your problems; work on a solid plan.
别指望偶然巧合来解决问题，还是制定一个切实可行的计划吧。