unsuccessful
翻譯
不成功的, 失敗的
例句
Their first attempt was unsuccessful.
他們的第一次嘗試沒有成功。
He was an unsuccessful actor.
他是個不成功的演員。
文法模式
unsuccessful in ((sth./-ing)) 在（某事）上不成功 She was unsuccessful in her job search.
an unsuccessful ((名詞)) 一個不成功的（名詞） It was an unsuccessful attempt.
近義詞
同義詞: failed, fruitless, ineffective; 反義詞: successful, triumphant
詞源
來自“un-”（不）+“success”（成功）+“-ful”（充滿的）。意思是“不充滿成功的”。
記憶技巧
把它分解成“un-success-full”。把它理解為“不（un）充滿（full）成功（success）”，意思就很清楚了。