YOU SAID:

i will no longer be able to understand this sentence later

INTO JAPANESE

後でこの文が理解できなくなる

BACK INTO ENGLISH

I can't understand this sentence later

INTO JAPANESE

この文は後で理解できません

BACK INTO ENGLISH

I don't understand this sentence later

INTO JAPANESE

この後の文がわかりません

BACK INTO ENGLISH

I don't understand the sentence after this

INTO JAPANESE

この後の文が分かりません

BACK INTO ENGLISH

I don't understand the sentence after this