Whale是“鲸鱼”，have a whale of a time是什么意思呢？请看对话：

    A: Did you go to Sally’s birthday party?

    B: Sure I did. We had a whale of a time at the party Saturday night. It’s a pity you were out of town.

    A: I wish I were at the party with you guys. By the way, do you have any plans for your paid leave?

    B: I will go on a tour around Spain.

    A: Enjoy your vacation! I hope you have a whale of a time.

    Note: It’s American slang from around 1910. The blue whale being the biggest creature on earth, a “whale of” anything is “a large amount of” it. Having a whale of a time is having a great fun time. People also used to say “a whale of a lot” and “a whale of a job.”