吸血鬼日记值得看吗:Well,that’s right

Well,that’s right all's well that ends well All right. That's all right. That's right. 区别？ that's right,maybe that's wht All's well that ends well.什么意思? that's all right 同义 that's right 跟that' all right跟all right 有什么区别？ that's right 跟that' all right跟all right 细节区别 ？ 请问英语中that's right ;that's all right ;that's all有什么区别? that's all right what's up 是什么意思？