opportunity knocks but once
常见例句
- Opportunity knocks but once.
良機難再。
《新英漢大辤典》 - Opportunity knocks but once, so we must make the most of it.
機不可失 ，失不再來，所以一定要把握時機。 - We believe in the old saying, "Opportunity knocks but just once, " so we always welcome it and devote all our spirit and efforts to it.
我們相信，在這個古老的諺語說：“機不可失，但衹有一次”，所以我們一直歡迎它，把我們所有的精神和努力。 返回 opportunity knocks but once