1.be crammed into 被塞进

It's dangerous for too many people to be crammed into a bus.
公共汽车超载人员是危险的。

It's dangerous for so many people to be crammed into one bus.
这么多人挤上一辆公车是很危险的？

2.set out 动身；出发；着手

When setting out on a long walk, always wear suitable boots.
每次出发远行，都要穿合适的鞋子。

He has achieved what he set out to do three years ago...
他已经实现了他3年前的奋斗目标。

3.sensitive to 敏感的

India is highly sensitive to chinese activities in nepal.
印度对中国在尼泊尔的活动高度敏感。

Universities are extremely sensitive to such changes in enrolment, which directly affect revenues.
大学对于注册学生人数的变化极其敏感，因为这会对大学的收入造成直接影响。

4.dip into 浸入；动用

Mr de guindos may yet have to dip into government coffers to find the cash.
然而为了获得资金，金多斯可能动用政府的腰包。

I usually dip into a book before deciding whether to read it.
我在决定读一本书前，通常会先浏览一下。