请问 walkupanddown是什么意思

徘徊。Walk up and down.Walk 走路, 有的时候作为散步Up and down. 来去Walk up and down. 就是走来走去, 所以就是徘徊的意思用法就和普通动词一样, 我举个例子吧:I was walking up and down in the hall yesterday. 我昨天在大厅里徘徊着。