彼女の前で

in front of her

→ 彼女
phrase Rare #35,175
in front of her Literally means “in front of her,” and can also mean “in her presence,” depending on context.
JA: 彼女の前でそんなことを言わないで。
EN: Don't say that in front of her.

彼は彼女の前で気取って見せた

He put on airs in front of her.

彼はその話を彼女の前でするような馬鹿なことしなかった

He wasn’t stupid enough to talk about it in front of her.

彼女の前でそのことを話すなって言っただろう

I told you not to talk about that in front of her, didn't I?

彼はそれをやったしかも彼女の前で

He did it—in front of her, no less.