相反就是两个性质不同的东西。比如他是帅哥其他的人是丑的。たどえば、彼はイケンメ、他の人はイケンメじゃない相对就是两个人或者一件事拿两个人进行对比。对立的话可以两个人的观点不同或者处于敌对阵营

相反的: 1. reverse 2. opposite 3. reversed 4. adverse 5. cross 6. inverse 7. contrary 8. abhorrent Relative explainations: Examples: 1. 从这些事实中可能推断出两种截然相反的结论。 It is possible to infer two completely opposite conclusions from this set of facts. 2. 我将继续工作直到我得到相反的命令。 I will go on with my work unless I get the order to the contrary. 3. 敌人的枪炮对着相反的方向时，我们的船厂悄悄地驶了过去。 Our ship slipped through while the enemy guns were pointed in the opposite direction. 4. 正向的关于或表明与另一个表示为负的相反的数量、数字、角度或方向的 Relating to or designating a quantity, number, angle, or direction opposite to another designated as negative. 5. 我突然想到一个好主意, 我们何不试试向相反的方向转一转呢! I've just had an inspiration: why don't we try turning it the other way! 正相反 the very reverse 相反地 the other way 正相反 on the contrary 截然相反 directly opposite. 全然相反 directly opposite 相反的力量 repugnant forces 相反的个性 polar personalities 相反的方向 opposite directions 完全相反的 diametrically opposed 与此相反 contrary to it 相对(1) [opposite;face to face]∶面对面;相向 大与小相对 (2) [relative]∶非绝对的(跟“绝对”相对) 各个具体过程的发展都是相对的 (3) [relatively;comparatively]∶比较来说 相对不错 对立1. [counter]∶两种事物或一种事物中的两个方面之间的相互抵消、抑制、中和或其他的相反作用 对立面 2. [conflict]∶两种力量之间竞争、倾轧或敌对行动的事实 城乡之间年代久远的对立 3. [antagonism]∶冲突的势力或倾向的对抗 宗教和科学之间的所谓的对立 These words are really difficult to distinguish, and even some Chinese people don't know. They have different meanings, and there are overlapping parts. If you want to learn, you can find more sentences and a good understanding. Good luck