to no avail

汉语翻译

例句：

1. Joe tried to pull the heavy cart, but to no avail.
   乔想拉那部笨重的大车，但是拉不动。
2. The doctors tried everything to keep him alive but to no avail.
   医生们曾竭尽全力抢救他的生命，但却徒劳无功。
3. Your efforts will not come to no avail, if you can achieve something at last.
   如果最后你能够有所成就，你的努力就不会白费。
4. He said his union, Local504 of the Transport Workers Union, made "massive contract givebacks" over the years to help Pan Am with its financial troubles. "It was all to no avail, " he lamented.
   他说他的工会——运输工会504分会——历年来在合约上做了“极大的让步”以协助泛美［航空公司］纾解财务困难。“结果全然没用，”他哀伤地说。