rule out片語動詞KK [rul aʊt] /ɹul aʊt/發音片語動詞1排除、否定可拆開Police have not ruled out arson as a possible cause.警方尚未排除縱火這一可能原因。2排除、不考慮可拆開We ruled out that hotel because it was far too expensive.我們把那家旅館排除掉了,因為實在太貴。3使不可能、阻礙可拆開A knee injury ruled him out of the whole season.膝傷使他整個賽季都無法出場。4劃掉、劃去She ruled out the last two lines and started again.她把最後兩行劃掉,重新寫了一遍。