I have come now, and I hope I haven't kept you waiting too long!

我终于来了，希望没有让您等太久！

youdao

I was caught in a traffic jam for over an hour, otherwise I would have not kept you waiting for such a long time.

我遇上塞车堵了一个多小时，否则我就不会让你等这么长时间。

youdao

You're an hour late—what kept you?

你晚了一小时—什么事把你给耽误了？

《牛津词典》

And then, I know that I heard the voice of God say, Andrae, boy, I kept you here, man.

NPR: Gospel Singer Andrae Crouch: 'Mighty Wind'

Ladies and gentlemen, I trust I have not kept you too long and have not asked you for too much.

UN: Secretary-General

The fact that the weekly OBV had just moved above its WMA as the doji was forming might have kept you out of the trade.

FORBES: A Candle Trigger for Market Tops