fruitless

形容词

1. 1

   徒劳的、白费的、没有结果的

   After a fruitless search, they finally called the police.

   一番徒劳的寻找之后，他们终于报了警。

2. 2

   不结果实的植物

   The old tree has been fruitless for several seasons now.

   那棵老树已经好几季不结果实了。