For one thing, he didn't trust his legs to hold him up.
首先，他不相信自己的腿能站起来。
2.all but 几乎就
Without you the job would have been all but impossible.
如果没有你，这项工作几乎就是不可能完成的。
3.speed up 加快
I had already taken steps to speed up a solution to the problem.
我已经采取措施加快解决这个问题。
4.a boon to ……的福音
It is for this reason that television proves such a boon to so many people.
正是这个原因电视机才成了这么多人的一大福音。
