Unkindness destroys love.

粗暴毁爱情。

I decided to overlook his unkindness.

我决定宽恕他的刻薄。

That thy unkindness lays upon my heart;

你的刻薄哟，印在我心窝；

His unkindness to his daughter came home to roost.

他对女儿的刻薄得到了恶报。

She's a very good woman; unkindness is foreign to her nature.

她是个很好的妇人，冷酷不是她的本性。