他在干什么呢
“What is he doing?”
THE DIALOGUE REEL
基本没区别嘛
“no different from the studio.”
他 在干什么 呢
“What is he doing?”
你过来吧
“Come over here.”
Direct spoken expression in this communicative setting.
Adding 'ne' at the end of wh-questions makes casual spoken inquiries sound friendly, gentle, and engaged rather than blunt or demanding.
LEARNING CHUNKS & PARTICLES
what are you/is he doing
A very standard, colloquial phrase for asking about someone's current activity.
Softens the interrogative tone and indicates an ongoing action or present state of inquiry.