If you are eager to do or have something, you want to do or have it very much.
Robert was eager to talk about life in the Army.
罗伯特渴望谈论军旅生活。
When my own son was five years old, I became eager for another baby.
当我儿子五岁的时候,我开始渴望要再要一个宝宝。
If you look or sound eager, you look or sound as if you expect something interesting or enjoyable to happen.
Arty sneered at the crowd of eager faces around him.
阿蒂对周围满脸热切的人们报以冷笑。