1.as ...as 和...一样
Zoe thinks that she is not as bright as her brother, so she wroks much harder than him.
Zoe觉得自己不如哥哥那么聪明,所以他比哥哥用功多了 。
2.due to 由于
The meeting has been delayed due to the bad whether.
由于天气愿意,会议延迟了 。
3.keep...in shape 保持好身材
I go to gym twice a week to keep myself in shape.
为了保持好身材,我一周去两次健身房 。