ˌrun sb/sth↔ˈdown1(of a vehicle or its driver车辆或司机)to hit sb/sth and knock them/it to the ground把…撞倒2to criticize sb/sth in an unkind way恶意批评；说…的坏话；贬低He's always running her down in front of other people.他总是在别人面前说她的坏话。3to find sb/sth after a search（经过搜寻后）找到 |