biker

1. N-COUNT Bikers are people who ride around on motorcycles, usually in groups. 騎摩托車的人 (尤指團體)

There are always fights going on between rival bikers. 在敵對的摩托車手之間總是發(fā)生著沖突。

2. N-COUNT People who ride bicycles are called bikers. 騎自行車的人[美國英語]