ˌbig ˈgun noun [countableC] informalPOWER a person or company that has a lot of power and influence 大人物,要人;有影响力的公司 one of the party’s big guns 该党的要员之一
big gun• The software company has done well in areas ignored by big guns such as Microsoft and Lotus.• The big gun in the critics' arsenal this year was Wayne Levi and his four triumphs.