以下是一些表達enthusiasm的佳句：
1. "His enthusiasm for the project was infectious."
2. "She radiated enthusiasm for the job."
3. "His passion and enthusiasm for music is truly inspiring."
4. "The enthusiasm he showed for the challenge was remarkable."
5. "Her enthusiasm for learning new things never flags."
6. "The team's enthusiasm for the project was unwavering."
7. "He has a contagious enthusiasm for life."
8. "The enthusiasm she brings to her work is incredibly motivating."
9. "Her enthusiasm for helping others is commendable."
10. "The children's enthusiasm for learning new things is contagious."
希望這些句子能夠幫助你表達你的熱情和激情！