Black and white are contraries.

黑和白是相反的颜色。

Hot and cold are contraries.

热和冷相反。

Dreams go by contraries.

梦想总与现实相反。

Cruelty and kindness are contraries.

残酷与仁慈是对立面。

She said that dreams go by contraries.

她说梦幻先兆相反的事。