| The administration of ice chips is one way to reduce mouth dryness, make patients more comfortable, and keep down bacterial overgrowth. |
| He trains on his own, often a solitary figure with nothing but a support car behind him, and goes to bed hungry to keep down his weight. |
| Mike already has a layer of wood chip mulch in place around his plants to keep down weeds and conserve moisture. |
| They keep down the rodent population in Egypt's economically important grain fields along the Nile. |
| As we neared the shore we were ordered to keep down to avoid getting wounded should the enemy start shelling the incoming craft. |
| This probably works fine with run-of-the-mill goods and helps to keep down the cost of claims, and hence premiums. |
