1.as well as 和...一樣
She can play tennis as well as basketball.
她也會打籃球,也會打網球 。
2.at least 至少
He's been away for at least a week.
他走了總有一個星期吧 。
3.on behalf of 代表
He spoke on behalf of all the members of the faculty and staff.
他代表全體教職員工講了話 。
4.reached an agreement 達成協議
They had a closet consultation before they reached an agreement.
他們進行了秘密磋商,最后達成了協議 。