The faithful herdman's art in Lycidas is a double one.

虔诚的牧人在里是一个双关语。

What do you want, a single room or a double one?

您想要什么样的, 单人房或双人房?

In the rest room, there are two style water beds , single one and double one.

休息室里有2种水床,单人床和双人床.

In our monogamous part of the world, to marry means to halve one's rights and double one's duties.

在我们这块儿讲一夫一妻的地方，结婚意味着把你的权力除以二，把你的义务乘以二。