ADJ（形容词） Triumphalist behaviour is behaviour in which politicians or organizations celebrate a victory or a great success, especially when this is intended to upset the people they have defeated. (尤指带炫耀性的)庆祝胜利的 [ADJ n]
...a triumphalist celebration of their supremacy.
...一次对他们霸主地位带炫耀性的庆祝。