Green sentiment has waxed and waned.

妒火此起彼伏。

My interest waned to extinction.

我的兴趣逐渐减弱，最后完全消失了。

The popularity of the song rapidly waned.

那支歌很快就变得不那么流行了。

Memories of the past have dimmed and waned.

对往事的记忆已飘逸无踪。

My admiration for him waned because of this.

这件事使我对他的仰慕之情减弱了。

Throughout history empires have waxed and waned.

历史上各个帝国均有兴衰。

His connection to the Paris masses waned.

他与巴黎民众的关系也日趋衰弱。

However, in recent years interest has waned.

然而，近年来，人们对这一赛事的兴趣逐渐消退了。

The popularity of the film stars waxed and waned.

电影明星们的名望盛衰无常.

The night waned, and I worked hastily, but in silence.

夜晚的减弱，和我的工作匆匆，但在沉默。