彼 が 学生 じゃ なければ、 入れません。kare ga gakusei ja nakereba, hairemasen.
If he’s not a student, he can’t enter.
Breakdown of kare ga gakusei ja nakereba, hairemasen.
がga
subject particle
入るhairu
to enter
彼kare
he
学生gakusei
Nihon-shiki romanizationwatasi ha tyuugoku kara kimasita
Hepburn romanizationwatashi wa chuugoku kara kimashita
