It felt like someone had stuck a blender inside his stomach and turned it on.

感觉就像有人在他的胃里塞了一台搅拌机，还打开了开关。

Doesn't really matter how course it is, 'cause you can always just with a stick blender just sort of make that happen.

这并不重要，因为你总是可以用搅拌棒把它搅碎。