It will be a tough act of his own to follow.

You are a tough act to repeat, and I'm not even going to try.

But in many ways, the company had a tough act to follow.

"But I think it's going to be a tough act to follow."

But there is no doubt in his mind about how he'll follow this tough act.

She is, in other words, a tough act to follow.

IT didn't seem like a particularly tough act to follow.

I know that she will be a tough act to follow.

All of which makes it a tough act to follow.

As a show of faith, it's a tough act to follow.