16. 世上没有什么比?…更令我高兴。

　　Nothingin the world can delight me so much as …

　　例︰世上没有什么比到快餐店吃汉堡更令我高兴。

　　Nothingin the world can delight me so much as having hamburgers in fast-foodrestaurants.

　　17. … 是必要的

　　It is necessary that S (should) V

　　… 是重要的

　　It isimportant/essential that S (should) V

　　… 是适当的

　　It is proper that S (should) V

　　… 是紧急的

　　It is urgent that S (should) V

　　例︰我们当保持公共场所清洁是应当的。

　　It is proper that we (should) keep thepublic places clean.

　　18. 每当我听到…?我就忍不住感到兴奋。

　　Whenever I hear …, I cannot but feel excited.

　　每当我做…? 我就忍不住感到悲伤。

　　Whenever I do …, I cannot but feel sad.

　　每当我想到…?我就忍不住感到紧张。

　　Whenever I think of …, I cannot but feel nervous.

　　每当我遭遇…?我就忍不住感到害怕。

　　Whenever I meet with …, I cannot but feel frightened.

　　每当我看到… 我就忍不住感到惊讶。

　　WheneverI see …, I cannot but feel surprised.

　　例︰每当我想到我家附近那一条清澈的小溪?我就忍不住感到悲伤。

　　Whenever I think of the clean brooknear my home, I cannot but feel sad.

　　= Every time I think of the clean brooknear my home, I cannot help feeling sad.

　　19.据说…

　　It is said (that)子句

　　一般认为…

　　It is thought (that)子句

　　大家都知道…

　　It is known (that)子句

　　据报导…

　　It is reported (that)子句

　　一般预料…

　　It is expected (that)子句

　　一般估计…

　　It is estimated (that)子句

　　一般相信…

　　It is believed (that)子句

　　例︰一般相信阅读增加我们的知识、扩大我们的心胸。

　　It is believed (that) reading increases ourknowledge and broadens our mind.

　　20. …的主要理由是…

　　The mainreason why ….. is (that)子句

　　例︰青少年犯罪的主要理由是社会环境日一败坏。

　　The main reason why the juveniles commitcrimes is that social environment is becoming worse.

　　21. 俗语说得好：「…」。

　　Well goes an old saying, "…"

　　= As anold saying goes(runs, says), "…"

　　= An oldsaying goes, "…"

　　= It'san old saying (that)子句

　　例︰俗话说得好：「诚实为上策」。

　　As an old saying goes, "Honesty isthe best policy."

　　22. (A) …用下列方法…

　　… in thefollowing ways.

　　(B) …有三个主要理由。

　　… for three major reasons.

　　(C) 要…?至少我们可做三件事。

　　To …, there are at least three thingswe can do.

　　例︰(A) 我用下列方法增加信心。

　　I increase my confidence in the followingways.

　　(B) 人们学外语有三个理由。

　　People learn a foreign language for threemajor reasons.

　　(C) 为了维护健康?我们每天至少可做三件事。

　　To keep healthy, there are at least threethings we can do every day.

　　II. 用于文章承转句

　　23. 那就是(说)…;亦即…

　　That is to say, …

　　= Thatis, …

　　=Namely, …

　　例︰我们生活需有规律。也就是说?早睡早起?戒除烟酒。

　　We need to live a regular life. That is, we can keep good hours and refrainfrom smoking and drinking in the daily activities.

　　24. (A) 基于这个理由?…

　　For this reason, …

　　(B) 为了这个目的?…

　　For this purpose, …

　　例︰基于这个理由?我已决定把行医作为未来的职业。

　　For this reason, I have decided totake practicing medicine as my future career.