2 sentences for 重量级 (zhòng​liàng​jí — influential)

1. 他可是纽约重量级的大律师。

   tā kě shì Niǔ​yuē zhòng​liàng​jí de dà​lǜ​shī.

   He's an important attorney in New York.

   Source: OpenSubtitles

2. 这位教授是学术界的重量级人物。

   zhè wèi jiào​shòu shì xué​shù​jiè de zhòng​liàng​jí rén​wù.

   This professor is a heavyweight figure in the academic world.

   Source: Dong Chinese Dictionary