YOU SAID:

Alex has a weird thing on his face and I don't know if he realizes it

INTO JAPANESE

アレックスは、彼の顔に奇妙なものを持って、私は彼はそれを実現するかどうか知らない

BACK INTO ENGLISH

Do not know whether Alex has some weird stuff on his face, I realize that he is

INTO JAPANESE

彼ことを実現するアレックスに彼の顔にいくつかの奇妙なものがあるかどうかはわからない

BACK INTO ENGLISH

He realizes that Alex not sure whether or not there is some weird stuff on his face

INTO JAPANESE

彼が実現しアレックス彼の顔にいくつかの奇妙なものがあるかどうかわからない

BACK INTO ENGLISH

He realizes that Alex not sure whether or not there is some weird stuff on his face