gather momentum

Toíbin is a lyrical, melancholy writer, but his stories swiftly gather momentum; they are openly erotic, deeply wrenching.

Then we began to gather momentum, and presently were fairly under way and booming along.

But presently the machine began to work and to gather momentum in its course.

To gather momentum enough to rouse the local papers would mean to start far back.

The train swayed and rocked worse than ever as it began to gather momentum.

He lived long enough to know that the movement had begun to gather momentum; and he drew great satisfaction from the knowledge.