とろいslow (slightly pejorative), dull, stupid

とろい奴(やつ)には仕事(しごと)を任(まか)せられない。

I can't entrust work to someone who is slow or dull. {slow (slightly pejorative), dull, stupid}

僕(ぼく)はとろい奴(やっこ)で、いつも行動(こうどう)が遅(おそ)いと言(い)われる。

I'm a slow guy, always being told that my actions are sluggish. {slow (slightly pejorative), dull, stupid}

あいつはとろいから、この問題(もんだい)も解(と)けないに違(ちが)いない。

He's so slow, there's no way he can solve this problem. {slow (slightly pejorative), dull, stupid}

私(わたし)は生(う)まれつきとろくて、みんなよりも理解(りかい)力(りょく)が乏(とぼ)しいです。

I am naturally slow and have less comprehension than everyone else. {slow (slightly pejorative), dull, stupid}

とろい人(ひと)にイライラするくらいなら、自分(じぶん)でやった方(ほう)がいいでしょう。

If you're going to get frustrated with slow people, it's better to do it yourself. {slow (slightly pejorative), dull, stupid}