► 形容動詞強気  [つよき]    
meaning:  aggressive  rank: 3☆ 強気で
攻めろ! ⇨ Keep attacking aggressively!  
(☛ Aggressive mindset while dealing with something, and never about violence)More examples:- 組合は交渉中強気の姿勢を崩さなかった ⇨ The union didn’t change their hardline approach during the negotiation