Hay gây hấn, hung hãn, hung hăng

Công kích, tấn công

Tích cực

aggressive grenades

lựu đạn tấn công

Tháo vát, xốc vác, xông xáo, năng nổ

quyết đoán, táo bạo, mạnh mẽ đầy nghị lực (Assertive, bold, and energetic)

http://www.thefreedictionary.com/aggressive

hung hăng

linh hoạt

adjective

advancing , antipathetic , assailing , attacking , barbaric , bellicose , combative , contentious , destructive , disruptive , disturbing , encroaching , hawkish , intruding , intrusive , invading , martial , militant , offensive , pugnacious , quarrelsome , rapacious , threatening , warlike , assertory , bold , brassy * , cheeky * , cocky * , come on * , domineering , dynamic , energetic , enterprising , flip * , forceful , fresh * , get up and go , go after , hard sell , imperious , masterful , nervy * , pushing , pushy , sassy , shooting from the hip , smart * , smart alecky , strenuous , tough , vigorous , zealous , belligerent , hostile , assertive , ambitious , flip , gladiatorial , intense , provocative , pugilistic , scrappy , self-asserting , taurine , truculent

adjective

calm , easy-going , laid-back , complaisant