讲解：
skulk around
潜伏；偷偷摸摸地走动；鬼鬼祟祟地活动:
There was someone skulking behind the bushes.
有人藏在灌木后面。

in daylight
日光:
The street looks very different in daylight.
在白天大街显得别有天地。

hit the road / trail
出发；上路
Let's hit the road before daylight.
我们天亮前出发吧。

back up | back sth up
后退；倒(车):
You can back up another two feet or so.
你可以再退两英尺左右。

be crushed by
破坏,毁坏(某人的信心或幸福):
She felt completely crushed by the teacher's criticism.
老师的批评使她觉得自己全完了。

hold up
延迟；阻碍:
An accident is holding up traffic.
一场事故造成了交通阻塞。

reserve sth (for sb / sth)
保留；贮备:
These seats are reserved for special guests.
这些座位是留给贵宾的。

beat it
滚开；立即走开:
This is private land, so beat it!
这里是私人土地,滚开！