I can not go back on what I said.

我不能背约我所说的话。

youdao

The contract comes into effect, we can not go back on our word now.

合同已经生效，我们不能反悔了。

youdao

He went on to say that if readers do not like the change, Sports Illustrated can always go back and support portrait mode again.

他接着说如果读者不喜欢这一改变，《体育画报》随时可以回头，重新支持缩略图模式。

youdao

So we can go back and forth on whether or not hurricanes are getting worse because of global warming.

FORBES: Bringing Some Empirical Sense To All the Hurricane Hype