What does shepherds quake at the sight mean?

The phrase "shepherds quake at the sight" likely refers to the biblical account in the Gospel of Luke where shepherds watching their flock at night are visited by an angel announcing the birth of Jesus. The Word "quake" suggests that the shepherds were filled with fear or awe at the extraordinary sight before them. This phrase captures the profound impact and significance of the moment when the shepherds encountered the divine message of Jesus' birth.