We may now look forward with optimism.

　　我們現(xiàn)在可以樂觀地展望未來。

　　The government has small cause for optimism.

　　幾乎沒有什么可以使政府感到樂觀的。

　　They expressed cautious optimism about a solution to the crisis.

　　他們對(duì)解決危機(jī)持謹(jǐn)慎的樂觀態(tài)度。

　　The music of the time mirrored the feeling of optimism in the country.

　　這個(gè)時(shí)期的.音樂反映出這個(gè)國(guó)家的樂觀精神。

　　There are very real grounds for optimism.

　　的確有理由可以樂觀。