震動,恐嚇
Concuss \Con*cuss"\, v. t. [L. concussus, p. p. of concutere. See {Concussion}.] 1. To shake or agitate. ``Concussed with uncertainty.'' --Daniel. 2. (Law) To force (a person) to do something, or give up something, by intimidation; to coerce. --Wharton.
concuss v 1: shake violently 2: injure the brain; sustain a concussion