用脑筋,思考
Cerebrate \Cer"e*brate\, v. i. (Physiol.) To exhibit mental activity; to have the brain in action.
cerebrate v : use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments; "I've been thinking all day and getting nowhere" [syn: {think}, {cogitate}]