YOU SAID:
I bet they'd be big enough for you to
INTO JAPANESE
きっと彼らは君にとって十分な大きさだと思う
BACK INTO ENGLISH
I'm sure they're big enough for you
INTO JAPANESE
私は彼らがあなたのために十分な大きさだと確信しています
BACK INTO ENGLISH
I'm sure they're big enough for you
That didn't even make that much sense in English.