By now your inner curmudgeon may well be frothing at the mouth.

说到这里，你内心的暴躁小人很可能已经气到口吐白沫了。

We go halfsies on a pot-bellied pig, and suddenly it's all mine when it's frothing at the mouth and corners your mom in the laundry room.

我们说好了那只大肚猪一起养，结果当它开始口吐白沫以及把你老妈逼到洗衣房角落时，就是我的猪了。

He fell face down into the plate filled with bones, frothing at the mouth like a dog, and drowning in moans of agony.

他脸朝下倒在装满骨头的盘子里，像条狗一样口吐白沫，淹没在痛苦的呻吟中。