頭あたまの鈍にぶい

expression, i-adjective

dim-witted; slow; dull

Describes someone who is not quick to understand or think; a mildly derogatory, informal expression.

• 彼かれは頭あたまの鈍にぶいやつだから、説せつ明めいに時じ間かんがかかる。

  He's a dim-witted guy, so it takes time to explain things to him.

• あの子こは頭あたまの鈍にぶいところがあるけど、努ど力りょく家かだ。

  That kid is a bit slow, but he's a hard worker.