1.wake up 唤醒;叫醒
例句:I used to wake up early and get up at 6:30.
我通常醒得早,六点半钟起床。
2.come on 加油,快点
例句:He will come on time even though it rains.
即使下雨,他还是会准时来的。
3.the principal of ...负责人;领导
例句:The principal of his school spoke to me, but there was little I was able to do.
学校的校长给我介绍了他的情况,但我对此却无能为力。
4.It's time to 到...时候了
例句:It' s time to get tough with football hooligans.
现在该对足球迷小流氓采取强硬措施了。