1、We must square off before the professor comes to give a lecture.
在教授來講課前把一切準備好。

2、Square off a piece of wood
把一塊木頭加工成方形

3、The pair will square off in the second round, on October 16th.
這兩人將在10月16號的第二輪投票中進行對決。

4、The two candidates who attract the most votes in the first round will square off in the second.
在首輪投票中領先的前兩位將進入第二輪對決。

5、We must square off before the professor comes to give a lecture
在教授來講課前把一切準備好。