1. The eagerness of my fancy prevailed and to work I went.
    我越想越来劲，便干了起来。

2. Tom gave up the brush with reluctance in his face, but eagerness in his heart.
    汤姆脸上带着不情愿，交出了刷子，但心里却渴望已久了。

3. It didn't take me long to lose my eagerness to answer questions.
    没有多久，我便不再渴望回答问题了。