| 释义 | 
		futile美 ['fjut(ə)l]  英 ['fjuːtaɪl]  - adj.徒然的;徒劳的;无效的
 - 网络无用的;无益的;轻浮的
 
 adj. useless,pointless,fruitless,unsuccessful,vain 1.  | 徒然的;徒劳的;无效的having no purpose because there is no chance of success  |  
  | a futile attempt/exercise/gesture 徒然的尝试╱练习╱表示  |   | Their efforts to revive him were futile. 他们努力使他苏醒,但失败了。  |   | It would be futile to protest. 抗议也无用。  |   | My appeal proved futile. 我的申诉白费了。  |  
 adj.  | 1. having no practical effect or useful result 2. lacking serious value, substance, or a sense of responsibility 3. unsuccessful, or useless  |  
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