1.set up set up 建立; 准备; 安排; 引起
The city police set up roadblocks to check passing vehicles.
该市警察设置了路障以检查过往车辆。
2.take turns 轮流
He and Carla Torgerson take turns as the band's lead vocalist.
他和卡拉·托格森轮流担当乐队的主唱。
3.come up with 提出,想出
He came up with what seemed like a clever wheeze.
他提出了一个看起来还不错的主意。