dead weight

名词 dead weight:

1. an oppressive encumbrance
2. a heavy motionless weight

1. A heavy debt lay on the family like a dead weight.
   沉重的债务像千斤重担压在一家人的头上。
2. That pig will weight4 score, dead weight.
   那只猪重80磅，宰掉后的净重。