"I won't stay long."—"No, please. I need the company."

“我不会呆很久。” — “别，请别走。我需要陪伴。”

《柯林斯英汉双解大词典》

They could stay long underwater.

它们可以在水下待很长时间。

youdao

When she found the noise and activity of birth, she was too nervous to stay long, so she spent a few minutes next to the tub, then went into another room to play.

当她发现分娩时的嘈杂声和胎动时，她紧张得呆不了多久，于是她在浴缸旁边呆了几分钟，然后走进另一个房间去玩。

youdao

He did not stay long in the living room.

VOA: special.2010.05.29

His foul language is so debased that women are advised not to stay long in his presence.

他的粗话是如此下流,以至于妇女们最好不要跟他就待。

耶鲁公开课 - 心理学导论课程节选

as long as we don't stay out in it enough to where we get burned.

只要别晒得太久，晒伤了。

我来自阿拉斯加 - SpeakingMax英语口语达人

The real ground for worry is that the Americans may not stay long enough.

ECONOMIST: Post-war Iraq

It was the worst Christmas ever and my parents did not stay long together after that.

NPR: The Worst Gift Ever

Ms. Polverini attended the party in professional attire and didn't stay long, her spokeswoman said.

WSJ: Scandals Rain on Berlusconi's Party