She seemed thinner and meaner.

她看上去更瘦了，也更为刻薄。

Then you can be meaner.

那你就可以更坏一点呀。

He is a man meaner than a junkyard dog.

他是一个残酷、冷漠的男人。

We need to be a little leaner and meaner.

我们需要变得更瘦一些，对自己更苛刻一些。

Chok'd with ambition of the meaner sort "."

“被那种狭窄的野心憋得透不过气来”。