B: I'm afraid one o 'clock is a bit too early, because I may not be able to get back home from school before 1:30.
恐怕1点钟早了点，因为我不一定能在1点半前从学校赶回家。
2
A combination lock, a travel alarm clock, nail clippers, spare batteries for the camera and a bit of laundry soap are always needed, regardless of your destination.
无论你去哪，一个密码锁，一个旅游闹钟，指甲刀，相机的备用电池以及一些洗衣香皂，总是不可或缺的。
3
They're willing to set the alarm clock a bit early in order to capture the beauty of a sunrise so others can see.