v worry unnecessarily or excessively
v be agitated or irritated
v provide (a musical instrument) with frets
v become or make sore by or as if by rubbing
v cause annoyance in
v gnaw into; make resentful or angry
v carve a pattern into
v decorate with an interlaced design
v be too tight; rub or press
v cause friction
v remove soil or rock
v wear away or erode