自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
ADV 可能；大概；也许 You use perhaps to express uncertainty, for example, when you do not know that something is definitely true, or when you are mentioning something that may possibly happen in the future in the way you describe.
Millson regarded her thoughtfully. Perhaps she was right...
In the end they lose millions, perhaps billions...
ADV （用以缓和语气或表示礼貌）也许，可能 You use perhaps in opinions and remarks to make them appear less definite or more polite.
Perhaps the most important lesson to be learned is that you simply cannot please everyone...
His very last paintings are perhaps the most puzzling...
ADV （用于给出建议或在正式语体中提出请求）也许，或者 You use perhaps when you are making suggestions or giving advice. Perhaps is also used in formal English to introduce requests.
Perhaps I may be permitted a few suggestions...
Well, perhaps you'll come and see us at our place?...
ADV （委婉地表示不赞同或不接受）也许，大概 You can say perhaps as a response to a question or remark, when you do not want to agree or accept, but think that it would be rude to disagree or refuse.
'You know it doesn't make sense for you.' — 'Perhaps. I don't know. Maybe it does maybe it doesn't.'...
'I'm sure we can make it,' he says. Perhaps, but it will not be easy.