这个专业人才对项目举足轻重。

Zhège zhuānyè réncái duì xiàngmù jǔzú qīngzhòng.

This professional talent is crucial for the project.

在这个公司里，他的意见举足轻重。

Zài zhège gōngsī lǐ, tā de yìjiàn jǔzúqīngzhòng.

In this company, his opinion is extremely influential.

他在公司的地位举足轻重。

Tā zài gōngsī de dìwèi jǔzú qīngzhòng.

His position in the company is crucial.