後ろにいる

be behind

→ 後ろ
phrase Uncommon #12,651
be behind Used to say that a person or other animate being is behind someone or something. 後ろに means “behind” and いる means “to be” for animate beings.
JA: 彼は私の後ろにいる。
EN: He is behind me.

その人たち後ろにいる男性はピアノを弾いている

The man behind those people is playing the piano.

後ろにいる

They're behind you.

— 預言者 (2009)

後ろにいる

I'm behind you.

— パディントン2 (2017)

すぐ後ろにいる

I'm right behind you.

あなたの後ろにいる

I'm behind you.

後ろにいる気になる何て言おうか考えてる

I'm trying to think of what to say because it makes me uncomfortable when you're behind me.

— シティ・オブ・ゴッド (2002)

すぐ後ろにいるからね

I'm right behind you.

彼の後ろにいる

I'm behind him.

後ろにいるのためにもっと大きな声で話して下さい

Please speak louder for the people in the back.