boil down

To reduce in bulk or size by boiling.

煮濃：通過熬煮減少體積

To condense; summarize

濃縮；簡化

boiled down the complex document.

簡化繁雜的文件

To constitute the equivalent of in summary

簡單地歸結(jié)為

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

措詞強烈的社論可以簡單地歸結(jié)為政黨政治的綱領(lǐng)

boil over

To overflow while boiling.

沸騰溢出

To lose one's temper.

發(fā)怒：情緒失去控制

keep the pot boiling

maintain the momentum or interest value of something

保持活力，保持干勁，保持興趣

a home win over Sheffield kept the pot boiling.

主場戰(zhàn)勝謝菲爾德聯(lián)隊使得干勁愈發(fā)高漲。

boil down to

amount to or be in essence a matter of

結(jié)果是，意味著；歸結(jié)為

everything boiled down to cash in the end.

任何事情到頭來都意味著錢。

boil something down

reduce the volume of a liquid by boiling

熬濃，煮濃

they boil down the syrup until it is very thick.

他們把糖漿熬得非常濃。