Question

저녁 먹는 중에 전화가 왔어요 The -는 중- structure can be attached to verbs; it conveys the general meaning of 'in the middle of ...ing'. The patters  occurs followed by the location particle -에 (-는 중에) or the copula (-는 중이-).Expressions like 'A[는] 중에 B' denote the action B taking place in the middle of the action A.

Accepted Answer

I got a call while I was having dinner

Front	저녁 먹는 중에 전화가 왔어요
Back	I got a call while I was having dinner
Notes	The -는 중- structure can be attached to verbs; it conveys the general meaning of 'in the middle of ...ing'. The patters occurs followed by the location particle -에 (-는 중에) or the copula (-는 중이-). Expressions like 'A[는] 중에 B' denote the action B taking place in the middle of the action A.

중에 I Middle 는 Action 저녁 먹는 전화가