Unskillful
Childish
noun, な adjective
Clumsy and immature people end up being really unskillful. You can't do your job if you're always dropping things and whining, can you? They're usually also really childish, if you didn't already guess that.
ちせつ
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
稚拙な文章ですがもしよければ読んでください。
It’s not a very good article, but please read it if you’d like.