Meeting the president is a once-in-a-lifetime honor.

见到总统是千载难逢的荣幸。

Climbing Mount Everest is a once-in-a-lifetime adventure.

攀登珠穆朗玛峰是一个千载难逢的冒险。

The sighting of the comet was a once-in-a-lifetime experience.

彗星的目击是一生难得的经历。

Meeting your favorite celebrity can be a once-in-a-lifetime event.

见到你最喜欢的名人可能是一个千载难逢的事件。

The antique shop has a one-of-a-kind collection of vintage jewelry.

这家古董店有一批独一无二的复古珠宝收藏。

Our company organized a five-a-side tournament last weekend.

我们公司上周末组织了一场五人制足球比赛。

His talent for playing the piano is one-of-a-kind.

他弹钢琴的才华是独一无二的。

The baby giggled when we played peek-a-boo with him.

当我们和宝宝玩躲猫猫游戏时，他咯咯地笑了。

The museum has a section dedicated to the history of the A-bomb.

博物馆有一个专门介绍原子弹历史的展区。

Under the ship, he printed in big red letters: C-O-N-G-R-A-T-U-L-A-T-I-O-N-S!

在船下面，他用大大的红色印刷字体写着：C-O-N-G-R-A-T-U-L-A-T-I-O-N-S！