Nothing turns sourer than milk.

牛奶变酸，其酸无比。

This drink is a rum julep made sourer with lime juice and stretched with soda water.

这款饮料是朗姆酒朱丽浦加了莱姆汁与苏打水。

Many of the older, sourer priests grumbled at the spread of licentiousness and gluttony.

很多老人，乏味的神父，小声抱怨着这些愈演愈烈的放肆、暴食。

But haws are sourer than apples, so they offer a refreshing contrast to the sweet coating.

但山楂比苹果要酸很多，这种有别于糖衣的酸味让糖葫芦更爽口。

Recording past crime evidence is not mourning for the past but expecting no sourer split in the future.

记录以往的罪证，其实不是在悼念过去，而是在期盼未来不再有这样的心酸离别。