YOU SAID:

I like him but idk if he likes me back

INTO JAPANESE

私は彼のことが好きですが、彼が私を好きになってくれるかどうかはわかりません

BACK INTO ENGLISH

I like him, but I don't know if he will like me

INTO JAPANESE

私は彼のことが好きですが、彼が私を好きになるかどうかはわかりません

BACK INTO ENGLISH

i like him but i don't know if he likes me

INTO JAPANESE

私は彼のことが好きですが、彼が私を好きかどうかわかりません

BACK INTO ENGLISH

i like him but i don't know if he likes me