鯨魚的個頭大家是非常清楚的，即使沒親眼見過，也會在電影或其他媒體上見過，那麼可想而知 a whale of 是用來形容量很多，可以意為「很…，很大的，大量的」，寓意：
very big (piece) of something
很大（一塊）東西
exceptionally large of something
特別大的東西
great amount of something often unusually done
大量的經常不尋常地做的事情
It can be referred to anything that has been big, even fun time.
它可以指任何大的，甚至是有趣的時間。
例如：
That birthday party was super fun, all the children had a whale of a time there.
那次生日聚會非常有趣，所有的孩子都玩得很開心。
The story book was a whale of fun.
這本故事書很有趣。
In Bollywood they generally make a whale of a movie. It encompasses song and dance sequences too.
在寶萊塢，他們通常會拍一部很大的電影。它也包括歌舞序列。
To say no to this party would be to refuse a whale of time. It has amongst the best food and drinks in the region.
對這個聚會說不等於拒絕了大量的時間。它擁有該地區最好的食物和飲料。
How could she have such a whale of a time at the movies when her son is so far away?
她兒子在這麼遠的地方，她怎麼能在看電影時玩得這麼開心呢？
He completed this whale of a task all by himself. Everyone in the office was surprised, including the boss.
他獨自完成了這麼大堆任務。辦公室裡的每個人都很驚訝，包括老闆。
There is a whale of a difference in calling someone their friend and treating them like that.
稱呼某人為朋友並那樣對待他們是完全不同的。
This picnic spot can be enjoyed thoroughly only if you are here with your family and have a whale of a time to spend here.
只有當你和你的家人在一起，並且在這裡度過一段愉快的時光時，你才能充分享受這個野餐地點。
學英語久了，會發現英語的水平很難在高一個層次，那是因為平時接觸的知識範圍被限定了，要想英語更上一層樓，就應該脫離現有的學習方法或學習框架，當然前提是英語已經有很高的造詣了，你想想，寫作的時候用 a whale of 是不是高大上的感覺呢？