YOU SAID:
I am unsure about going to a pool.
INTO JAPANESE
私はプールに行くことについて確信が持てません。
BACK INTO ENGLISH
I'm not sure about going to the pool.
INTO JAPANESE
私はプールに行くことについてよくわかりません。
BACK INTO ENGLISH
I'm not sure about going to the pool.
That didn't even make that much sense in English.