YOU SAID:
I will be a little more careful next time.
INTO JAPANESE
私は次回より少しもっと慎重になるでしょう。
BACK INTO ENGLISH
I will be a bit more cautious than next time.
INTO JAPANESE
私は次回より少し慎重になるだろう。
BACK INTO ENGLISH
I will be a bit more cautious than next time.
That didn't even make that much sense in English.