He did well. I could see that he had the knack.

He didn't elaborate or shout or anything. He had a low tone and the audience enjoyed it.

He knew so much about fishing. It was a delight to watch him fish, especially fly fishing. There was quite an art in that. He was the best I'd ever seen.

I have the knack of easing scruples.

He had a knack of knowing what to do.

She has a knack to getting to the basket.