直接说中文,帮你翻译...
如果你想说"我喜欢那些不喜欢我的人,虽然很多人喜欢我".该这么说:
But I like those of people who don't like me,though many people like me.
unless...是"除非..."的意思.希望你没有将它理解为less的反义词.