vex

verb

1. cause annoyance in; disturb, especially by minor irritations"Mosquitoes buzzing in my ear really bothers me"
2. disturb the peace of mind of; afflict with mental agitation or distress"I cannot sleep — my daughter's health is worrying me"
3. change the arrangement or position of
4. subject to prolonged examination, discussion, or deliberation"vex the subject of the death penalty"
5. be a mystery or bewildering to"This beats me!"