en_tn/jer/04/19.md

My heart! My heart!

Here "heart" represents painful emotions, such as grief and fear. The phrase is repeated to express the intensity of the pain. (See: rc://en/ta/man/translate/figs-metonymy)

I am in anguish in my heart

The speaker feels severe emotional pain that causes severe physical pain.

My heart is turbulent within me

"My heart is beating wildly." Here "heart" refers to the body part. It is turbulent because it is beating much stronger and faster than normal.

turbulent

full of confusion, violence, or disorder; not stable or steady