1. In all seriousness 严肃的 庄重的

例句："I thought it was good to give Sean a gigantic challenge, " Otellini explains in all seriousness.“我认为让马宏升接受这个巨大挑战是个好事，”欧德宁一脸严肃地解释说。

2. At the age of 在……岁

例句：The artist was born near Florence in 1452 and went to Milan at the age of 30.

这位艺术家于1452年出生在意大利的佛罗伦萨附近，30岁那年他去了米兰。

3. for your information 供参考

例句：For your information, I'm always in love.

跟你这么说吧，我总是处于爱之中。

4. can't wait to do 迫不及待做……

例句：I just can't wait to do it again now. All my family's coming down to Wycombe so I think they're looking forward to it, too.

我现在已经等不及了，我的家人也打算举家前往维康比观看比赛，我想，他们同我一样期待这场比赛。