trust sb.to do sth. 放心让/信任某人做某事

　　(2)have/put/place trust in sb./sth. 信任某人/信赖某事

　　①A good marriage is based on trust.

　　美满的婚姻是建立在互相信任的基础上的。

　　②Can I trust you to post(post) this letter?

　　我能托你把这封信寄走吗？

　　③I have absolute trust in the teachers.

　　我绝对相信老师。

　　[图形助记]　巧记"相信"

burst out突然发生，突然......起来

　　(教材P30)When he reached the final line，everyone burst out laughing.

　　他说到最后一句的时候，大家都哄堂大笑起来。

　　burst into a place 闯入某地

　　burst into tears＝ burst out crying 突然大哭起来

　　burst into laughter＝ burst out laughing 捧腹大笑

　　burst in 闯入(后面不接宾语)；插嘴

　　①The door burst open and the kids rushed into the house.

　　门突然开了，孩子们冲了进去。

　　②Everyone burst out laughing(laugh)，but the little boy burst into tears.

　　大伙突然大笑起来，但小男孩却嚎啕大哭起来。

　　③When we were talking，he burst in．

　　当我们交谈的时候，他突然闯了进来。

knock...over (开车)撞伤，撞死；撞倒

(教材P30)But just under a year ago，Roy's father was knocked over by a car.