Isaiah 21:4 in the World English Bible
My heart flutters. Horror has frightened me. The twilight that I desired has been turned into trembling for me.
Context
3 Therefore are my loins filled with pain: pangs have taken hold upon me, as the pangs of a woman that travaileth: I was bowed down at the hearing of it; I was dismayed at the seeing of it.
4 My heart panted, fearfulness affrighted me: the night of my pleasure hath he turned into fear unto me.
5 Prepare the table, watch in the watchtower, eat, drink: arise, ye princes, and anoint the shield.