I think that there is no knock-down objection to epiphenomenalism here.

【我认为没有对副现象致命一击的反对意见。

And at the other end, lay one in short – and the point is over, Federer able to flatten it out, or lace it with topspin, the ball exceptionally heavy and often unreturnable.

另一方面，费德勒时常能一击致命，这在于他能够击出平击或者上旋，势格外的沉，令人难以回防。