1. keen-witted; dull-witted.
   头脑敏锐的；头脑迟钝的
2. We were successful not because we were quick-witted but because we persevered.
   我们之所以成功不是因为我们机智，而是因为我们坚韧不拔。
3. American motion pictures are written by the half-educated for the half-witted.
   美国电影，是由一班只受过半瓶醋教育的人为蠢人而作的。

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