witted

keen-witted; dull-witted.

头脑敏锐的；头脑迟钝的

We were successful not because we were quick-witted but because we persevered.

我们之所以功不是为我们机智，而是为我们坚韧不拔。

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。