I used to be all sweetness and light on the outside, but inside I would be boiling with rage.

我过去虽然表面上笑呵呵的，可是心里却怒火中烧。

《柯林斯英汉双解大词典》

And, you came to the kitchen, boiling a pot of clam U. S. light sponge gourd soup.

然后，你来到厨房，翙煮一锅美清淡的蛤蜊丝瓜汤。

youdao

Battle would surely have been joined by others - and an already hostile atmosphere inside The Stadium of Light could have reached boiling point.

BBC: Rennie must not face rap