baffle
v[Tn]
1 be too difficult for (sb) to understand; puzzle 使(某人)困惑; 难倒
One of the exam questions baffled me completely. 有一道试题把我完全难住了.
Police are baffled as to the identity of the killer. 警方不解凶手是谁.
2 prevent (sb) from doing sth; frustrate 阻止(某人)做某事; 使受挫
She baffled all our attempts to find her. 她千方百计不让我们找到她.
baffle n screen used to hinder or control the flow of sound, light or liquid (阻碍或控制声音传播、光线照射或液体流动的)屏蔽, 挡板, 隔板, 遮护物.