YOU SAID:

He has eyes on you constantly.

INTO JAPANESE

彼は常にあなたを見ています。

BACK INTO ENGLISH

He is always watching you.

INTO JAPANESE

彼はいつもあなたを見ています。

BACK INTO ENGLISH

He is always looking at you.

INTO JAPANESE

彼はいつも君を見ている。

BACK INTO ENGLISH

He's always looking at you. [M]

INTO JAPANESE

彼はいつも君を見ている。

BACK INTO ENGLISH

He's always looking at you. [M]