einhämmern

Verb

 * 1)  to hammer in; to drive in e.g. a nail, stake
 * 2)  to hammer to repeatedly hit with a hammer
 * 3)  to hammer, to drill to repeatedly instruct someone
 * 1)  to hammer to repeatedly hit with a hammer
 * 2)  to hammer, to drill to repeatedly instruct someone
 * 1)  to hammer, to drill to repeatedly instruct someone