"We kept expecting them to slacken up, but they never did."

But it works only by perfect timing when you see your opponent slacken up momentarily.

The professors at Miskatonic had urged him to slacken up, and had voluntarily cut down his course at several points.

The rain's starting to slacken up!"

We're not going to slacken up on our tether drill, and we're going to watch our consumables every second of the stay here.

We took a sniff of cocaine whenever the pace slackened up, and one of heroin when the cocaine showed any signs of taking the bit in its teeth.

Nor do we want to slacken up this approach as the main plank of the fight for and maintenance of jobs, since this report places special emphasis on the peripheral regions, the ultraperipheral regions and the islands of the European Union, where the phenomenon of underemployment is very significant.