我们就不耽误您时间了啊 什么谁啊?
“We won't hold you up. What do you mean by who?”
THE DIALOGUE REEL
“Who? Mr. Qian, you must be busy.”
我们就 不耽误您时间了 啊 什么谁啊 ?
“We won't hold you up. What do you mean by who?”
“My apprentice, Ran Fangxu. You don't know him?”
“I was about to leave, but wait, who are you referring to?”
Framing one's departure as 'not wanting to waste the other person's valuable time' is a conventional politeness strategy in Chinese business and formal encounters.
LEARNING CHUNKS & PARTICLES
won't take up any more of your time
A very common polite formula used to gracefully conclude a meeting, interview, or conversation.
Softens the polite exit formula in the first half and indicates spontaneous confusion in the question.