重点讲解：
1. look like
看起来像；看上去像；
eg. Any compromise will look like a betrayal of this ideal.
任何妥协都会看起来像是对这一理念的背叛。
eg. Once you know your stuff, you'll look like an expert, too.
一旦你精通了自己的业务，你也会像个专家。
2. all around
到处；四处；
eg. Of course, moments like this happen all around the world.
当然，像这一类似现象在世界各地都会出现。
eg. Once you open your eyes to this possibility, the evidence is all around you.
一旦你睁开眼睛正视这种可能性，你会发现证据无处不在。
3. all over
到处；遍及；
eg. He looked all over Africa and couldn't find any.
他找遍了非洲也没有找到一块钻石。
eg. He's been a professional musician for years, gigging all over the country.
他数年来都是职业音乐人，在全国各地演出。
