opportunity
英 [ˌɒpəˈtjuːnəti]   美 [ˌɑːpərˈtuːnəti]  
n.
机会;时机

例句：
This is the opportunity he needs to make a fresh start. 

这是他所需要的重振旗鼓的机会。

As soon as the opportunity presented itself, she would get another job. 

一有机会，她就会另谋新职。

There are far more opportunities for young people than there used to be. 

现在年轻人的机会比过去多得多。

It is not often that you get such an opportunity. 

你得到这样的机会，可不是常有的事。

Her philosophy of life is to take every opportunity that presents itself. 

她的处世态度是不放过任何呈现眼前的机会。