1、介词兼副词about作周围，四周炼率诸，附近，身上讲，例如，there is a white fence about the house或者 there is a strange smell about him
2、介词about和有关动词连用，表示在某地范围内活动或动来动去，例如go about, get about, kick about, look about等等
3、介词about作关于或涉及，从事讲，从本义围绕引申过来， 例如，what are you talking about? the question is about what to do next.
4、副词about作大约， 差不多，左右讲，其实都是从本义附近，周围引申过来 ，about常用almost, some, around, more or less 代替
5、be about+不定式动词，表示立即或正要做某事，或似乎立即正要做某事，例如she is about to speak，她正要讲
6、在表示周围，到处含义的about，大多数可在动词短语中用around或泪劣round代珠肤替，例如stand about the teacher, look about, run about
