“自以为”的英语可以翻译为：flatter oneself，lay claim to，set up for，in one's own conceit ...

人们一见到我，就自以为对我了如指掌了。People assume they know me through and through the moment we meet.那些负责人自以为掌握了最新情况。Those in charge deluded themselves they were up to speed.她自以为才智高人一等。She was an intellectual snob....