"because I hate you" 可以用 "because I despise you" 或 "because I loathe you" 来表达。
"despise" 是动词，意思是"鄙视，蔑视"，来源于拉丁语 "despicere"，它的原意是 "to look down upon"，后来引申为 "to have contempt for"。
"loathe" 是动词，意思是"憎恨，厌恶"，来源于古英语 "lāðian"，它的本意是 "to hate"。
例句：
"I despise you for what you did."
"你做的事让我鄙视你。"
"I loathe you for your pes."
"你的谎言让我憎恨你。"