at no cost; without payment
无代价地,分文不花地;无偿地;无报酬地
-
working for nothing .无报酬地工作。
to no purpose
徒劳地,白白地;无效果地
-
he died anyway, so it had all been for nothing .不管怎么说,他已经死了,因此这一切都白费了。