disappoint是動詞原形，disappoint 爲動詞，意思是讓……失望、令……失望英英釋義：fail to meet the hopes or expectations ofto make sb feel sad because sth that they hope for or expect to happen doesn't happen.例句：disappointed一方面是過去式可以當動詞使用，一方面是過去分詞可以當形容詞使用。disappointed 爲形容詞時，失望的，沮喪的，失意的。英英釋義：disappointingly unsuccessful例句:disappointment爲名詞，失望
