turn one's back on/upon

轻视
A:Every country should face the history.
A:每个国家都得面对历史。
B:Yeah, we don't live in the vacuum. We have traditional values and long but different history.
B:对，我们不能生活在真空里，我们有着各自的传统的价值观，也有着悠久而又不尽相同的历史。
A:Sometimes, we, unman beings, really had done something wrong, so we should admit it at first.
A:有时，我们人类会犯一些错误，至少也要承认它们的存在。
B:But there is always somebody who wants to turn his back on the true history.
B:但总有些人试图否定真实的历史。
A:I believe such things won't be realized, just daydreaming.
A:他们不会得逞的，只不过是在做白日梦罢了。