trousers that are suitable to wear in formal situations, rather than informal trousers such as jeans or tracksuit bottoms

In the team hotel, players are required to wear collared shirts, dress pants and dress shoes. 在球队下榻的酒店，球员需要穿有领衬衫、正装裤和正装鞋。

He was smartly dressed in a purple shirt, black tie, black dress trousers and black shoes when he applied for the job. 申请工作时，他身着紫色衬衫、黑色领带、黑色正装长裤和黑色皮鞋，很是时髦。