I wasn't aware of that我没有意识到

今天的几个句子是有关伤害/得罪的：1.I do not realize that offends him. 我没有意识到已经冒犯他了。2.I was unaware that I had hurt him. 我没有意识到我伤害了他。3.I was not conscious of having offended him. 我没有意识到得罪了他。