United Nations air support began to increase, slowing the advance further.

"A few may remain, just to slow your advance, but the rest will go, never to return."

The time taken to use them, slowed the advance of one's own troops.

That had to slow the advance, but it was safer.

These will slow its advance as the fresh stuff piles up behind them.

There were already more than a dozen, and the climb didn't seem to slow their advance at all.

However heavy rains soon slowed their advance through the country.

When we see them, we can at least slow their advance.

She held up her hands to slow his advance.

He slowed his ragged advance and looked around, trying to decide what had happened.