unintentional

形容词 unintentional:

1. not done or made or performed with purpose or intent
   同义词：undesigned
2. without deliberate intent- George Macdonald
   同义词：unwilled
3. not intentional
   同义词：unplanned, unwitting

1. An unintentional omission or mistake.
   失察，疏忽出错无意的疏忽或错误
2. Not intended; unintentional.
   并非蓄意的; 无意的
3. It was really quite unintentional.
   这实在不是有意的。