하면서

하면서

"하면서" means "while doing" or "while saying."

In this sentence, '하면서' is used to express simultaneous actions, indicating that the person is reading a book and listening to music at the same time.

음악을 들으면서 책을 읽어요.

I read a book while listening to music.

'하면서' in this context emphasizes the coexistence of two overlapping actions, watching a movie and conversing with a friend.

친구와 이야기를 나누면서 영화를 봤어요.

I watched a movie while conversing with a friend.

Here, '하면서' describes the main action (exercising) and connects it to the additional benefit or concurrent activity (taking care of one's health).

운동하면서 건강을 챙겨요.

I take care of my health while exercising.