1.The boy didn't seem to understand what we were saying. He was probably a bit weak in the upper storey.
那男孩似乎不明白我们在说什么，可能有点痴呆。
2.That man is a little wrong in the upper storey.
那人的头脑有些不正常。
3.Tom's sister says he is weak in the upper storey.
汤姆的妹妹说他头脑不好。