The heat turned the milk sour.

炎热的天气使得牛奶变酸了。

Too much pulp produces a sour wine.

过多的果肉会让酒变酸。

The stewed apple was sour even with honey.

炖过的苹果即使加了蜂蜜也还是酸的。

The entire house was pervaded by a sour smell.

整所房子都充满了酸味。

The apple tasted just as I remembered – sharp, sour, yet sweet.

这苹果尝起来跟我记忆中的完全一样–味道十足，酸中带甜。

These accusations have been going on for some time now, but it is just sour grapes.

这些指控到现在已经持续有一段时间了，但那不过是酸葡萄心理而已。

The pineapple tastes very sour.

这菠萝尝起来很酸。

How sour these grapes taste!

这些葡萄真酸！

This pear tastes a bit sour.

这梨带点酸味。

Lemons are a kind of sour fruit.

柠檬是一种酸的水果。

Lemons are too sour for me.

柠檬对我来说太酸了。

The milk is turning sour.

牛奶变酸了。

Lemons have a sour taste.

柠檬有股酸味。

I like lemons because they are sour.

我喜欢柠檬因为它们是酸的。

As far as we know, lemons taste sour.

我们都知道，柠檬是酸的。

The milk smells sour.

这牛奶闻起来是酸的。

The fruit is still green and eats sour.

果子还青，吃起来很酸。

The milk tastes sour.

牛奶有酸味。

Some cherries are sweet and some are sour.

有些樱桃是甜的，有些樱桃是酸的。

Sour cherries are used in foods and drinks.

酸樱桃可以做成食物或者做成饮料。

Generally, Thai food is hot, sweet and sour.

一般来说，泰国菜口味带辣、甜且酸。

Some people's breath turns sour every time they go on a job interview.

有些人每次去面试的时候，口气就会变得酸臭。

Their relationship soon went sour.

他们的关系很快有了嫌隙。

Everything turned sour for me there.

对我来说那儿的一切都变得令人失望了。

This milk has gone sour.

这牛奶馊了。

The milk had gone sour.

牛奶已经馊了。

She made a sour face in his direction.

她给了他一副不友善的脸色。

Here the cooks dish out sweet and sour pork.

在这儿厨师们把咕咾肉分份儿。

The American dream is beginning to turn sour.

美国梦正开始破灭。

'Bitter' collocates with 'tears' but 'sour' does not.

bitter可与tears搭配，而sour则不可。