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triumphant pose (assumed by an athlete, etc.)
テニス選手がガッツポーズを決めた。
The tennis player struck a triumphant pose.
ボクサーは勝利にガッツポーズで応えた。
The boxer responded to his victory with a triumphant pose.
観客はランナーの見事なガッツポーズに湧いた。
The crowd erupted in cheers at the runner's splendid triumphant pose.