Oil and water do not blend.

油与水不相融。

《牛津词典》

Oil and water do not mix.

油和水不相融。

《牛津词典》

This requires a lot of oil and water.

这需要大量的油和水。

youdao

This method works because oil and water do not mix.

VOA: special.2009.09.02

Here's a really simple example. Mixing of oil and water.

这有一个很简单的例子，水和油的混合。

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Now this behaves very differently in water because part of it is water soluble, this part is, it's a molecule that would like to dissolve in water and part of it is like oil, it doesn't want to dissolve in water.

它们在水中表现出十分不同性质,因为一部分是水溶性的,这一部分是,是一种可以溶于水的分子,而另一部分就像油,不会溶于水中

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Oil and water may be hard to mix, but blending inputs creates a good salad dressing.

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As investors, we need to evaluate both in trying to distill this oil and water.

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He thinks he has cracked the main (and obvious) difficulty that oil and water do not easily mix.

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