adv.乱七八糟地；混乱地
adj.杂乱的；混乱的
n.乱七八糟；混乱；杂乱
The books were scattered pell-mell over the floor. 书本凌乱地散置在地上。
The children rushed pell-mell down the stairs. 孩子们乱哄哄地冲下楼去。
