※以下の御連絡を基に添削しました。

私は自分の進路を教師になることに決めた。I decided my course of future life to become a teacher.
my road of dream pointed teacher.

私は漢字をたくさん知っている。 I know Chinese characters a lot.
I know chinese character very well.

これを武器にして私ができることは何か。 What can I do using it as a weapon?
I used kanji (item) do you know I want do what

私は考えが深く考えた。I thought deeply.
my think was deep

漢字より英語をもっと勉強すればよかったなのに...とも思ったが、 I also thought that I should study English more than kanji …, but
I think about study english better than kanji

やっぱり漢字が好きだ。 I like kanji after all.
when you tell me and I love kanji

それで良いのだっと結論を出した。I concluded that was fine for me.
It's lucky I want to talk about this is it.