greatly disappointed

1. 我們為失去這一假日而感到大失所望。
   We were appalled at the prospect of having to miss our holiday.
2. 這個聚會令人大失所望。
   The party was a big let-down.
3. 他因沒有得到那份工作而大失所望，不過他能想得開。
   He was disappointed at not getting the job, but he'll get over it.
4. 使我們大失所望的是野餐那天下起雨來了。
   To our great disappointment, it rained on the day of the picnic.

大的英語翻譯：

失的英語翻譯：

所的英語翻譯：

望的英語翻譯：