simple-minded/ˌsɪmpl'maɪndɪd/

a. not able to understand difficult things

a. 头脑简单的：A simple-minded person can't understand what he really meant. 头脑简单的人不能理解他的真正意思。

构词形容词-身体部位-ed

同根remind

巧记 同类构词：cold-blooded, kind-hearted, left-handed。