Meaning of zhèng zài:
zhèng zài
正在
Adverb
just at (that time); right in (that place); right in the middle of (doing sth)
Tā zhèngzài dǎ diànhuà.
他正在打电话。
He is on the phone right now.
Tā zhèngzài xuéxí.
他正在学习。
He is studying.
Tā zhèngzài chīfàn ne.
他正在吃饭呢。
He is eating right now.
