YOU SAID:

I've seen enough of the world, and I can't even see!

INTO JAPANESE

私は世界を十分に見ました、そして私は見ることさえできません！

BACK INTO ENGLISH

I have seen the world enough, and I can't even see!

INTO JAPANESE

私は世界を十分に見ましたが、見ることすらできません！

BACK INTO ENGLISH

I have seen the world enough, but I can't even see it!

INTO JAPANESE

私は世界を十分に見ましたが、それさえ見ることができません！

BACK INTO ENGLISH

I have seen the world enough, but I can't even see it!