a vigorous blow
the act of hitting vigorously
find fault with; express criticism of; point out real or perceived flaws
deliver a sharp blow or push
knock against with force or violence
make light, repeated taps on a surface
the sound of knocking (as on a door or in an engine or bearing)
sound like a car engine that is firing too early
negative criticism
a bad experience
rap with the knuckles
make small marks into the surface of
