三十一、Leave much to be desired(令人不滿意)

　　例句：The condition of our traffic leaves much to be desired.

　　我們的交通狀況令人不滿意。

　　三十二、Have a great influence on-(對……有很大的影響)

　　例句：Smoking has a great influence on our health.

　　抽煙對我們的健康有很大的影響。

　　三十三、do good to(對……有益)，do harm to(對……有害)

　　例句：Reading does good to our mind.

　　讀書對心靈有益。

　　Overwork does harm to health.

　　工作過度對健康有害。

　　三十四、Pose a great threat to-(對……造成一大威脅)

　　例句：Pollution poses a great threat to our existence.

　　污染對我們的生存造成一大威脅。

　　三十五、do one's utmost to+V=do one's best(盡全力去……)

　　例句：We should do our utmost to achieve our goal in life.

我們應盡全力去達成我們的人生目標。