It depends on having an opponent who is not giving the defense sufficient concentration.

At any rate, any sufficient concentration of available energy will do the trick.

One reason is that it is difficult to deliver them to the disease site in sufficient concentration without side effects.

I could, by a sufficient concentration of effort, materialize a sun in your immediate path.

That number was generally considered to be a sufficient concentration of force on one sub.

It can cause illness and death, but only after victims have been exposed to sufficient concentrations over a long time.

It can also act as a food preservative when used in sufficient concentrations.

At sufficient concentrations, death follows in a few seconds or minutes.

To work, a cream must contain active ingredients in a sufficient concentration.

In sufficient concentrations, the chemical can be a major health hazard.