boil down

To reduce in bulk or size by boiling.

煮浓：通过熬煮减少体积

To condense; summarize

浓缩；简化

boiled down the complex document.

简化繁杂的文件

To constitute the equivalent of in summary

简单地归结为

The scathing editorial simply boils down to an exercise in partisan politics.

措词强烈的社论可以简单地归结为政党政治的纲领

boil over

To overflow while boiling.

沸腾溢出

To lose one's temper.

发怒：情绪失去控制

keep the pot boiling

maintain the momentum or interest value of something

保持活力，保持干劲，保持兴趣

a home win over Sheffield kept the pot boiling.

主场战胜谢菲尔德联队使得干劲愈发高涨。

boil down to

amount to or be in essence a matter of

结果是，意味着；归结为

everything boiled down to cash in the end.

任何事情到头来都意味着钱。

boil something down

reduce the volume of a liquid by boiling

熬浓，煮浓

they boil down the syrup until it is very thick.

他们把糖浆熬得非常浓。