1. （车辆或机器）出故障的，坏掉的
    A broken-down vehicle or machine no longer works because it has something wrong with it.

broken-down

    e.g. ...a broken-down car.
           出故障的汽车

1. in deplorable condition

    e.g. a street of bedraggled tenements
           a broken-down fence
           a ramshackle old pier
           a tumble-down shack

    Synonym: bedraggledderelictdilapidatedramshackletatterdemaliontumble-down

2. not in working order

    e.g. had to push the broken-down car
           a broken-down tractor fit only for children to play on