on a whim片語KK [ɑn ə wɪm] /ɑn ə wɪm/發音片語1一時興起、心血來潮、突然起意We booked the flight to Lisbon on a whim.我們一時興起就訂了飛往里斯本的機票。2隨意、任意、隨性The manager changes the schedule on a whim.那位主管隨意更動排班表。