benignKK [bɪˋnaɪn] /bɪˈnaɪn/形容詞1良性的醫學The doctor confirmed that the lump was benign and harmless.醫生確認那個腫塊是良性的,沒有危險。2和善的、親切的、慈祥的She gave the nervous student a benign smile.她對緊張的學生露出慈祥的微笑。3溫和的、宜人的The island has a benign climate all year round.這座島嶼全年氣候都很溫和。4無害的、不具威脅的What looked like a threat turned out to be benign.看起來像威脅的東西,結果其實無害。