unthinkable 

  1. 形容詞
不可能的, 過分的
想像不到的, 難以想像的
不可思議的, 難以置信的
不堪設想的

    同義字詞
fantastic,fantastical,implausible,inconceivable,incredible,incredulous,unbelievable,uncompelling,unconceivable,unconvincing,unimaginable

  2. 名詞
限定單數the unthinkable:
難以置信的事
難以想像的事
不可思議的事
不堪設想的事

    
                        
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例句

                

                    
    
                                                    
  1. 
                                It seems unthinkable , but it's true.                            
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  2. 
                                A lack of authenticity is unthinkable .                            
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  3. 
                                What was once unthinkable has happened.                            
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  4. 
                                It was unthinkable that they should misbehave.                            
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  5. 
                                The previously unthinkable is now on the table.                            
    6.