Be careful not to mix them up.

因此要注意不能将它们混用。

youdao

Second: Cut them and mix them up.

二：切和混合起来。

youdao

I will be careful not to mix them up.

我会小心，不会混淆的。

youdao

Do mix grass cuttings with other wastes to loosen them up.

VOA: special.2009.06.23

You know from experience if you've ever mixed them to make salad dressing, they don't mix too well. And you may know that if you heat them up, they mix much better.

经验告诉我们,你无法把它们混合做成色拉酱调料，他们不会很好的混合，但是你也知道,如果我们把他们加热，就能够混合的更好。

麻省理工公开课 - 热力学与动力学课程节选

Feith: So, I mean, there have been some people who have kind of concocted a goulash of snippets about this team that was working on the terrorist interconnections and the Special Plans Office, and they mixed them up when there's no basis for the mix.

CENTERFORSECURITYPOLICY: DOD Briefing on Intelligence Matters

These have lower margins, so adding them to the product mix lowers the average margin, but revenues and operating profits both up 12% are growing nicely.

ECONOMIST: Retailing

The military uses similar chemicals in its rockets, only it gets to spice up the mix a bit by adding nitroglycerine-based explosives to the fuel, making them about 20% more powerful than sophisticated hobby engines.

FORBES: Serious Toys