首頁›Browse›U›unfamiliar groundunfamiliar ground編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看unfamiliar groundunfamiliar ground — 名詞名詞1. a situation or subject that someone does not know well1.名詞釋義陌生的領域a situation or subject that someone does not know well例句I was on unfamiliar ground when the discussion turned to quantum physics.