短語詞組短語hard coating on softsubstrate 硬膜軟基hard -on 渴望獲得Hard Wait On 很難伺候Hard decision on promotion 果斷的促銷決策hard whefound on flour 硬麥面粉Through hard study on CET 通過努力考過英語四級the Hard Problem on Consciousness 意識困難問題Hard things on hard things 最下面一本 返回 hard on