oftenKK [ˋɔfən] /ˈɔfən/副詞1常常、經常、時常She often walks to work instead of taking the bus.她常常走路去上班,而不搭公車。2往往、通常Such mistakes are often caused by simple carelessness.這類錯誤往往只是粗心造成的。3多常、多久一次用於 how oftenHow often do you get your teeth checked?你多久檢查一次牙齒?