英汉词典

In addition to the uses shown below, about is used after some verbs, nouns, and adjectives to introduce extra information. About is also often used after verbs of movement, such as ‘walk’ and ‘drive’, and in phrasal verbs such as ‘mess about’ and ‘set about’, especially in British English.
除下列用法外，about可用在一些动词、名词和形容词后引出附加信息。about还常用在walk, drive等表示动作的动词后或mess about，set about 等短语动词中，这类情况尤见于英国英语。