He said he would be here at eight o'clock.

　　他說他將在八點鐘到達這里。

　　I have a history class at 9 o'clock.

　　我9點鐘有歷史課。

　　We arrived at two o'clock and left at ten past.

　　我們兩點鐘到達，十分鐘后離開。

　　I have to collect the children from school at 3 o'clock.

　　我得在3點鐘到學校接孩子。

　　Fifty is the new forty.

　　四十尚未老，五十正當年。