在英语中，队伍扩大的意思可以用 "expand the team" 来表达。这个短语来源于动词 "expand"，意思是扩大、增加或扩展。所以 "expand the team" 就是指扩大队伍的意思。

下面是一些例句：

We need to expand the team if we want to meet our deadpne. (我们如果想要按时完成，就需要扩大队伍。)
The company decided to expand the team to better handle the increased workload. (公司决定扩大队伍，以便更好地处理增加的工作量。)
She was asked to join the team as they were expanding it. (她被邀请加入团队，因为他们正在扩大队伍。)

希望这些信息对您有帮助。