a fat chance

基本解释

Me, marry a millionaire? Fat chance!
我？嫁給一個百萬富翁？太不可能了！
We will have a fat chance to win the game on Saturday.
我們幾乎沒有可能贏得星期六的比賽。
With New York easing its way into spring, being outdoors under a blue sky is almost as refreshing as the chance to stab a thumbtack into a fat, balding, caricature of a boss.
伴因爲紐約逐漸進入春天，在藍天下的戶外活動就和把釘子釘進一個肥胖，禿頂的漫畫老板的身上一樣讓人覺得過癮。

You have a chance of being way out here with a fat-tailed distribution.
很有可能在,長尾分佈的這裡
耶魯公開課 - 金融市場課程節選

For the happy few who include them in a real diet rather than a fake one, low-fat potato chips offer a chance to brighten an otherwise spare meal.
FORBES: Insights: The energy diet that flopped
After getting our eager mitts on Nikon's long overdue D3 successor, aptly named the D4, we got a second chance to revisit our fat-bodied, photo-taking friend at the company's CES booth.
ENGADGET: Nikon D4 Ethernet tethered shooting hands-on (video)
Fat chance, says Lawrence Rudel, a researcher at Wake Forest University.
FORBES: The Myth of Extra Virgin