举足轻重 HSK 7-9 jǔzú-qīngzhòng of great importance; play a key role Examples 他在项目中举足轻重 tā zài xiàngmù zhōng jǔzú-qīngzhòng He is indispensable to the project. 这一步举足轻重 zhè yí bù jǔzú-qīngzhòng This step is crucial.
