我们用短语 all the colours of the rainbow 来形容某物五颜六色、五彩缤纷。

例句

Jane had some incredible clothes in her wardrobe; they were all the colours of the rainbow.

We saw so many amazing birds in the jungle; they were all the colours of the rainbow.

请注意

短语 chasing rainbows 的意思是一个人整日幻想更好的、更精彩的但是难以实现的事情。

例句

John, just enjoy what you've got and stop chasing rainbows!