And in North America settlers in frontier regions lived in constant fear of raids.

在北美，边境地区的定居者一直生活在对袭击的恐惧中。

A couple of years later, however, Boone once again, in 1775, tried to move his family to this frontier region of Kentucky.

然而，几年后，布恩在 1775 年再次尝试将他的家人搬到肯塔基州的这个边境地区。