- (especially North American English)
a small bag or case that you carry onto a plane with you Topics Transport by airb2(可随身携带上飞机的)小包,小行李箱 - [usually singular] (British English, informal)
a display of excitement, anger or silly behaviour over something unimportant (对小事的)大惊小怪,歇斯底里发作,愚蠢的举动