1. The students had all paired off by the end of term.
   到学期末学生们都已是成双结对的了。
2. In gym class we paired off for the game.
   体育课上我们分成一对一对地做游戏。
3. Bill paired off with Helen.
   比尔与海伦结婚了
4. After dinner we paired off and went to dance.
   饭后我们成双成对地跳舞去了。
5. He paired off with Miss Sedley.
   他和赛特笠小姐结成了一对儿。

　1个动词解释