adj.放肆的；無恥的；冒昧的
It will be presuming to camp in a person's yard without permission. 不獲允許就在別人的院子里露營是一種放肆的行為。
Are you presuming to tell me how to drive my car? 你竟膽敢來指點(diǎn)我怎么開汽車？
