“千载难逢的机会”英文怎么说？

A golden opportunity.
千载难逢的机会
You get a chance like this only once in a blue moon.
这可是千载难逢的机会呢。
It would be foolish to let such an opportunity slip; it is the chance of a lifetime.
坐失这样的良机真是太傻了，这是千载难逢的好机会。
It's a once in a lifetime chance.
这是一生难得的机会。
It's the chance of a lifetime. You shouldn't miss it.
这是一生中难得的机会，你不应错过。
It's the chance of a lifetime.
这是一生中难得再遇到的机会。
We feel that this is an opportunity that may not come again for many year.
这是一个千载难逢的良机。

a golden opportunity;the chance of a lifetime