As a result, more and more people are suffering from stress.

　因此, 越來越多的人正遭受壓力之苦。

more and more可作形容詞或副詞, 多用於進行式的句子中, 用法如下:

a. 作形容詞

more and more譯成『越來越多的』, 之後接複數名詞或不可數名詞。

例: More and more students are learning English.

                  複數名詞

　　　　(學英文的學生越來越多了。)

　　He is making more and more money.

                              不可數名詞

　　　　(他的錢越賺越多了。)

b. 作副詞

more and more譯成『越來越多』, 之後接副詞或形容詞。

例: He is doing things more and more carefully.

                                        副詞

　　　　(他做事越來越謹慎了。)

　　　　She is getting more and more beautiful.

                                      形容詞

　　　　(她變得越來越漂亮了。)

注意:

被修飾的形容詞或副詞若屬單音節 (偶有兩個音節), 則通常直接將該形容詞或副詞變成比較級, 形成下列用法:

　　比較級 + and + 比較級

例:
　　His English is getting more and more good.(╳)

　→His English is getting better and better. (○)

　　　　(他的英文越來越好了。)

　　He is walking more and more fast. (╳)

　→He is walking faster and faster. (○)

　　　　(他走得越來越快了。)

Those who are stressed out are often nervous, angry or ill.

　凡是壓力過大的人經常會緊張、生氣或生病。

本句分析如下:

a. 代名詞Those (那些人, 等於People) 作主詞;

b. Those之後的who are stressed out是關係代名詞who所引導的形容詞子句, 作限定修飾 (who之前無逗點), 修飾Those;

c. are則為be動詞, 之後的often是副詞, 修飾該be動詞;

d. nervous、angry及ill以對等連接詞or連接, 共作主詞Those的補語。

　　those who... + 複數動詞　　凡是……的人……

　　=one who... + 單數動詞

　　=he who... + 單數動詞

　　例: Those who work hard are sure to succeed.

　　　= One who works hard is sure to succeed.

　　　= He who works hard is sure to succeed.

　　　　(凡是努力的人一定會成功。)

People must, therefore, learn to deal with this "new" kind of problem.

　因此, 人們必須學會處理這種『新』問題。

The best way, however, is to keep a good sense of humor.

　不過, 最好的方法就是保持良好的幽默感。

以上兩句中的therefore (因此) 及however (然而、不過) 均為插入在句中的副詞。它們亦均可置於句首, 即:

Therefore, people must learn to deal with this "new" kind of problem.

However, the best way is to keep a good sense of humor.

注意:

therefore或however插入在句中時, 這兩個字兩旁應各置一逗點; 習慣的用法是, 它們多插於主詞與動詞之間, 助動詞 (如will、can、may) 與動詞之間, 或主詞與助動詞之間。

　a. 主詞與動詞之間

　　例: He is nice. I, therefore, like him.

                   主詞           動詞

　　　　(他人很好，因此我喜歡他。)

　　　This car is good. That one, however, is bad.

                           主詞     動詞

　　　　(這輛車不錯，不過那一輛卻不好。)

　b. 助動詞與動詞之間/主詞與助動詞之間

　　例: Father gave me some money yesterday. I can
　　　, therefore, buy a pen.

      助動詞        動詞

　　　　Father gave me some money yesterday. I,
  　　　therefore, can buy a pen.

        主詞        助動詞

　　　　(昨天父親給了我一些錢，因此我可買枝筆了。)