Definition
This idiom is used to express that it is very unlikely that someone will get what they want, often with a hint of sarcasm.
（用於告知某人其願望幾乎不可能實現）但願你走運！
"He hopes to get first place in the competition." "You should be so lucky!"
「他希望能在比賽中獲得第一名。」「但願你走運！」
"She thinks she can pass the exam easily." "You should be so lucky!"
「她認為她能輕鬆通過考試。」「但願你走運！」
"They plan to start a successful business without any experience." "You should be so lucky!"
「他們計劃在沒有任何經驗的情況下開一家成功的公司。」「但願你走運！」