举足轻重 英语

举足轻重 [jǔ zú qīng zhòng]
play a decisive role
Examples:
他在自己的国家中尽管举足轻重, 但在此地却毫不显眼.
He may be a man of consequence (ie an important man or man of high rank) in his own country, but he's nobody here.
自从查尔斯在委员会里得到一个席位后，他已成为一个举足轻重的人物了。
Since he gained a seat on the board, Charles has become a man of some consequence.
大约二十年前，他在家乡已经是一位举足轻重的人物了。
Some20 years ago, he was already a force to be reckoned with in his home village.

hold the balance

prove decisive;