"那肯定的"翻译为that's for sure.为什么要加for?

"那肯定的"翻译为that's for sure.为什么要加for? That's for sure. that‘s is for sure That's for sure是什么意思? That's for sure 翻译成汉语 That's for sure和sure有区别吗? ---Your English teacher is really nice.---That's for sure it's for sure that +从句 可以么? but i know for sure 的翻译 请问“I say that for sure.”怎么翻译? Do you know for sure that he have stolen before. 这里的for sure for sure的用法