knocks — to strike a sounding blow with the fist, knuckles, or anything hard, especially on a door, window, or the like, as in seeking admittance, calling attention, or giving a signal: to knock on the door before entering.
faints — a temporary loss of consciousness resulting from a decreased flow of blood to the brain; a swoon: to fall into a faint.
swats — a special section of some law enforcement agencies trained and equipped to deal with especially dangerous or violent situations, as when hostages are being held (often used attributively): a SWAT team.
