imbecilic

1. That was an imbecilic thing to do!
   做那事是非常愚蠢的！
2. There was no waking up even for those imbecilic men who had fallen asleep under her ear, inside the pillow.
   没有人醒，甚至那些在她的耳朵下面、枕头里面睡着的愚蠢的男人们也没有醒。

adj

1. having a mental age of three to seven years

   Synonym:    imbecileidiotic