3 sentences

1. 他在比赛中占了上风。

   tā zài bǐ​sài zhōng zhàn le shàng​fēng.

   He gained the upper hand in the competition.

   Source: Dong Chinese Dictionary

2. 在这场辩论中，他显然占了上风。

   zài zhè chǎng biàn​lùn zhōng, tā xiǎn​rán zhàn le shàng​fēng.

   He clearly had the upper hand in this debate.

   Source: Dong Chinese Dictionary

3. 在当今的服装市场上，复古风格正大占上风。

   zài dāng​jīn de fú​zhuāng shì​chǎng shàng, fù​gǔ fēng​gé zhèng dà zhàn shàng​fēng.

   In today's clothing market, the retro style is prevailing.

   Source: Dong Chinese Dictionary