“占上风”，是指占据有利地位、处于优势（have the advantage (over)）。常用于比赛或者战场等相互竞技时，对于有优势的一方用占上风。与英文惯用语“ have/gain the upper hand”意思相同，表示“have or gain advantage or control over someone or something”。
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例句：
我们的死对头下半场开始占上风，最后我们在自己的地盘上输掉了比赛。
Our arch-rival gained the upper hand in the second half and beat us on our home turf.
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当对手的明星四分卫受伤出局时，主队占了上风。
The home team had the upper hand when their opponents' star quarterback went out with an injury.
