My new phone isn't a patch on the old one.

我的新手机比旧的差太多了。

My holiday at home wasn't a patch on a trip abroad.

我在国内出游比不上出国旅行。

I'm not so sure about them… They're not a patch on my old ones.

我不是很确定… … 和我的旧裤子相比，它" not a patch" 。

I know some people disagree, but for me the Olympics isn't a patch on the World Cup.

我知道有些人不同意，但对我来说，奥运会比不上世界杯。

If something " isn't a patch on" something else, it means it is nowhere near as good as the thing you first mentioned.

如果某样东西" isn't a patch on" ，意思就是它远不如你第一次提到的那个好。