重点讲解：
1.keep sb out of trouble 使某人免除麻烦
例句：It just keep you out of trouble, or at least improve your chances of thumbing a lift in Sardinia.
它能让你避免一些麻烦，至少增加了你在撒丁岛搭车的机会。

2.no such thing 那种事情不会有；哪里会
例句：There is no such thing as a free lunch. It's just a trick.
天下没有免费的午餐。这只是一个伎俩罢了。

3.little bit of 一点点
例句：With just a little bit of planning, accomplishing a goal is a simple task.
只要一点点计划，实现一个目标是一个简单任务。

4.sort of 有点；有几分地
例句：At my birthday parties, Dad always seemed sort of out of place.
在我的生日聚会上，爸爸总显得有点不得其所。