污點(diǎn)（名詞）

(noun) A mark of disgrace.

EXAMPLE: The ambitious executive refuses to believe that the failures of his previous companies was a stigma, and he is eagerly starting a new commercial venture.

這位雄心勃勃的高管拒絕承認(rèn)他的前公司倒閉是個(gè)污點(diǎn),，他正渴望開始新的商業(yè)冒險(xiǎn)。

to knock oneself out

努力（非正式）

(INFORMAL) To work very hard to accomplish something; to make a strenuous effort.

EXAMPLE: Working all weekend, day and night, the young marketing director really knocked himself out to make an impressive presentation at our meeting Monday morning.

經(jīng)過了整個(gè)周末沒日沒夜的工作,，這位年輕的營銷總監(jiān)終于努力在我們周一的晨會(huì)上做了一個(gè)精彩的演講,。