1.split up 分裂,分离
A classroom with 40 kids is more likely to split up into opposing groups than one with 20, which may explain why students tend to do better in smaller classes.
一个有40个孩子的班级比一个只有20个孩子的班级更容易分裂,这也许可以解释为什么学生在人数较少的班级学得更好。
2.keep up with 跟上
Hurry up, or you won't keep up with them.
快点,否则你就赶不上他们了。
3.in a sense 从某种意义上说
So, in a sense, we want her to break the date because it gives us a fantastic reality check.
在某种意义上,我们希望她取消约会,因为这给了我们一次奇妙的现实检验。