boil up

US /bɔɪl ʌp/
UK /bɔɪl ʌp/
"boil up" picture
1.

ferver, explodir

to become very angry or excited

:
His anger began to boil up when he heard the news.
A raiva dele começou a ferver quando ele ouviu a notícia.
Tensions are starting to boil up between the two groups.
As tensões estão começando a ferver entre os dois grupos.
2.

ferver, cozinhar por fervura

to cook something by boiling it, often until it is soft or reduced

:
You need to boil up the potatoes until they are tender.
Você precisa ferver as batatas até que fiquem macias.
Let's boil up some water for tea.
Vamos ferver um pouco de água para o chá.