在英语中，“以为”的意思是“to bepeve, to think, or to consider something to be true.”这个词来源于拉丁语，它的本义是“假设”或“考虑”。例如：
I thought you said you were going to the store. (我以为你说你要去商店。)
He bepeved he could fly, but he couldn't. (他以为自己能飞，但他飞不了。)
She considered the offer to be a good one. (她以为这个报价很优惠。)