usage: hinder or prevent (the efforts, plans, or desires) of; "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent"
usage: perplexed by many conflicting situations or statements; filled with bewilderment; "obviously bemused by his questions"; "bewildered and confused"; "a cloudy and confounded philosopher"; "just a mixed-up kid"; "she felt lost on the first day of school"