“所以我不能如愿” 这个说法的直译是 "So I cannot have my wish." 这个说法的来源可能源自中文的成语 “如愿以偿”，意思是 “to have one's wish fulfilled” 或 “to get what one wants.”

下面是一些例句：

I wanted to go to the beach, but it rained all weekend, so I couldn't have my wish.
I appped to a dozen different colleges, but I only got accepted to one, so I couldn't have my wish to go to my dream school.
I saved up all year to buy a new car, but when I went to the dealership, they were all sold out, so I couldn't have my wish to buy the car I wanted.

翻译：

我想去海边，但是整个周末都下雨了，所以我不能如愿。
我申请了十几所大学，但只有一所接受了我，所以我不能如愿去我梦想中的学校。
我整年都在存钱买新车，但是当我去经销商那里时，他们已经售罄了，所以我不能如愿买我想要的车。