原文：

Unwearied still, lover by lover,

They paddle in the cold

Companionable streams or climb the air;

Their hearts have not grown old;

Passion or conquest, wander where they will,

Attend upon them still.

But now they drift on the still water,

Mysterious, beautiful;

Among what rushes will they build,

By what lake’s edge or pool

Delight men’s eyes when I awake some day

To find they have flown away?

译文：

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无论游往何地，激情和志向，

将伴随它们日久天长。

如今，它们悠游于幽静的水面，

神秘而又美研。

它们将沿着怎样的湖边，

在怎样的蒲苇中筑起家园，

让人们把喜悦写入眼帘，

当某天早晨我突然起身，

发现它们早已杳无踪痕？

注解：

William Butler Yeats(威廉·巴特勒·叶芝)（1865---1939）叶芝在《库尔的野天鹅》中的思考与沉思使他的诗歌中有一种生活内涵的感触，有一种对爱情真谛的发现，有一种哲理情思的燃烧，那就是爱情的甜美中蕴涵着残酷的悲伤。

练习：翻译句子

Unwearied still, lover by lover,

They paddle in the cold

Companionable streams or climb the air;

Their hearts have not grown old;

答案：

它们比翼双飞，永不厌倦，
时而荡浆于多情的湖面，
时而双翼凌空，一举千里，
活力永不衰减。