Amateur
Novice
noun
You've got a very elemental person. They're so elementary that they're quite an amateur, really. Maybe a little too elemental.
Unfortunately, the reading for this is a complete exception, so you'll just have to memorize it. Here's a mnemonic to help you:
"You're an amateur!", she wrote (しろうと). A little harsh, isn't it? But that's what she wrote. Gotta do a little better to impress her, pal.
ど素人
a complete novice
素人レベル
beginner level
素人集団
a group of amateurs
素人相手
dealing with amateurs
素人判断
amateur judgment
素人が作る
made by an amateur
素人が見る
seen by an untrained eye
素人が考える
thought by an amateur
素人の人
an amateur
素人の意見
an amateur opinion
素人の目
an amateur's perspective
素人に分かる
comprehensible to amateurs
素人に出来る
can be done by amateurs
素人に教える
to teach an amateur
やっぱりプロと素人は違うね！
Professionals and amateurs are indeed different!
なんか今の発言、素人っぽい。
What you just said somehow sounds amateurish.
ど素人の私でも出来たんだから、大丈夫だよ。
Even someone as wholly inexperienced as me could do it, so you'll be fine.