YOU SAID:

tired is for the weak. I am weak for I am weary.

INTO JAPANESE

疲れが弱い。私は疲れて、私は弱い。

BACK INTO ENGLISH

Fatigue is weak. I am tired, I am weak.

INTO JAPANESE

疲労は弱いです。私は疲れて、私は弱い。

BACK INTO ENGLISH

Fatigue is weak. I am tired, I am weak.