animation
n[U]
1 liveliness; vivacity 生气; 活力
We could see how excited he was by the animation in his face. 我们从他脸上的神气就能看出他多么兴奋.
2 technique of making animated cartoons 动画片制作技术. Cf 参看 suspended animation (suspend).
I am sorry that you have a disagreement with your father. Personally, I think it is important to follow your interests and your abilities, and it sounds as though you have plenty of both of these already.