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。Whenever I 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 brook near my home, I cannot but feel sad.
=Every time I think of the clean brook near my home, I cannot help feeling sad.
19. 据说... It is said 子句
一般认为... It is thought 子句
大家都知道... It is known 子句
据报导... It is reported 子句
一般预料... It is expected 子句
一般估计... It is estimated 子句
一般相信... It is believed 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 reading increases our knowledge and broadens our mind.
20.. ..的主要理由是...
The main reason why ... is 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 commit crimes is that social environment is becoming worse.
21. 俗语说得好：...。
Well goes an old saying,
=As an old saying goes,
=An old saying goes,
=Its an old saying 子句，例：俗话说得好：「诚实为上策」。
As an old saying goes, Honesty is the best policy.
22. ...用下列方法 in the following ways.
有三个主要理由。for three major reasons.
要...至少我们可做三件事。To ..., there are at least three things we can do.
例：我用下列方法增加信心。
I increase my confidence in the following ways.
人们学外语有三个理由。
People learn a foreign language for three major reasons.
为了维护健康，我们每天至少可做三件事。
To keep healthy, there are at least three things we can do every day.
II.用于文章承转句
23. 那就是...;亦即
That is to say, .
= That is, .
=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 refrain from smoking and drinking in the daily activities.
24. 基于这个理由... For this reason, ...
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 to take practicing medicine as my future career.
25. 我们有理由相信
We have reasons to believe 子句
例：我们有理由相信体罚应该严格禁止。
We have reasons to believe that corporal punishment should be strictly prohibited.
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