a thing that is very heavy and difficult to lift or move （难以搬动的）重物 The sleeping child was a dead weight in her arms. 那个熟睡的孩子在她的怀里沉重。 With difficulty she managed to pull his dead weight onto the bed. 她费了好大的劲儿才把他沉重的身体拖到床上。
a person or thing that makes it difficult for something to succeed or change 重负；累赘