三十一、Leave much to be desired (令人不满意)
例句：The condition of our traffic leaves much to be desired.
我们的交通状况令人不满意。
三十二、Have (exert, impose) a great influence on ~~~ (对...有很大的影响)
例句：Quality of citizens has a great influence on a nation’s prosperity.
国民的素质对于国家的繁荣有重大的影响。
三十三、do good to (对...有益)，do harm to (对...有害)
例句：Reading does good to our minds.读书对心灵有益。
Overwork does harm to health.工作过度对健康有害。
三十四、Pose a great threat to ~~ (对...造成一大威胁)
例句：abortion poses a great threat to both women’s physical and mental health.
堕胎对于妇女的身心健康都会造成巨大威胁。
三十五、do one‘s utmost to + V = do one‘s best (尽全力去...)
例句：schools should do their utmost to ensure the students’ sound growth.
学校应尽全力去确保学生的健康成长。