重点讲解：
1. jump-start
推动；
eg. The EU is trying to jump start the peace process.
欧盟正试图推动和平进程。
eg. As part of its effort to jump-start sales, Chrysler is rolling out upgraded or redesigned versions of 17 vehicles.
作为推动销售的举措之一，克莱斯勒对17款车进行了升级或重新设计。
2. have a crush on sb.
（对…的）迷恋；（对…的）爱慕；
eg. I know of at least three girls that also have a crush on him.
据我所知，至少有三个女孩也对他一见倾心。
eg. High school girls sometimes have a crush on their teachers.
高中女学生有时迷恋于他们的老师。
3. a bunch of
大量，大批；
eg. We did a bunch of songs together.
我们一起唱了很多首歌。
eg. But you said a bunch of humans will come if we perform a circus.
可是你说如果我们表演杂技，就会有很多人来看。