2 sentences

1. 他高居要职，处理着公司的核心事务。

   tā gāo​jū yào​zhí, chǔ​lǐ zhe gōng​sī de hé​xīn shì​wù.

   He holds a high-ranking position and handles the company's core affairs.

   Source: Dong Chinese Dictionary

2. 这部电影的票房在排行榜上高居第一。

   zhè bù diàn​yǐng de piào​fáng zài pái​háng​bǎng shàng gāo​jū dì​yī.

   This movie is at the top of the box office charts.

   Source: Dong Chinese Dictionary