1956, from Swedish (c. 1952), from (trampcykel med) mo(tor och) ped(aler) "pedal cycle with engine and pedals" (the earliest versions had auxiliary pedals). Compare obsolete English mo-bike (1925), from motor bicycle.
实用例句
1. He moped around the office for a while, feeling bored.
他在办公室闲荡了一会儿，感到百无聊赖。
来自柯林斯例句
2. He moped about because he wasn't invited to the party.
他闷闷不乐地徘徊,因为没有人请他去参加聚会.
来自《简明英汉词典》
3. I would advise against riding moped without testing the brakes first .
