presumptuous
adjective uk/prɪˈzʌmp.tʃəs/ us/prɪˈzʌmp.tʃuː.əs/
冒昧的，专横的
A person who is presumptuous shows little respect for others by doing things they have no right to do.
It would be presumptuous of me to comment on the matter. 我如果对这件事发表评论会很冒昧。