erraticKK [ɪˋrætɪk] /ɪˈɹætɪk/發音形容詞1反覆無常的、難以預測的His erratic behavior at work worried his closest colleagues.他在工作上反覆無常的行為讓身邊同事很擔心。2不規律的、不穩定的The doctor noticed an erratic heartbeat during the examination.醫生在檢查時發現心跳不規律。3飄忽不定的、毫無規則的The butterfly followed an erratic path across the garden.那隻蝴蝶以飄忽不定的路線飛過花園。4時好時壞的、表現不穩的The old printer is erratic, so save your file first.這台舊印表機時好時壞,先把檔案存起來。