YOU SAID:

i cant swim in the ocean becuase i cant swim well

INTO JAPANESE

私は海で泳ぐことができません。なぜなら、私はうまく泳ぐことができないからです

BACK INTO ENGLISH

I can't swim in the sea. Because I can't swim well

INTO JAPANESE

私は海で泳げない。泳げないから

BACK INTO ENGLISH

I can't swim in the sea. I can't swim.

INTO JAPANESE

私は海で泳げない。私は泳げない。

BACK INTO ENGLISH

I can't swim in the sea. I can't swim.