[yuē dìng]
agree on; appoint; arrange; convention
expiration of the agreed term
约定的期限届满
agree on a meeting place
约定会晤地点
fix a time for the meeting
约定开会时间
by a preconcerted arrangement
按事先约定的安排
He appointed to meet us at the entrance of the theatre.
他约定在剧院门口和我们碰头。
We made arrangements with them to meet in a week.
我们和他们约定一星期后见面。