scatterbrained

形容词 scatterbrained:

1. lacking sense or discretion- Glenway Westcott
   同义词：rattlebrained, rattlepated, scatty
2. guided by whim and fancy
   同义词：flighty, flyaway, head-in-the-clouds

1. Aunt Mary is such a scatterbrain that she always forgets something.
   玛莉阿姨糊里糊涂的，她总是忘东忘西。