3、dreadful, unfavorable, poor, adverse(有害的)代替bad， 如果bad做表语,可以有be less impressive代替。举例：An army of college students indulge themselves in playing games, enjoying romance with girls/boys or killing time passively in their dorms. When it approaches to graduation, as a result, they find their academic records are less impressive.
4、(an army of; an ocean of; a sea of; a multitude of; many, if not most)代替many。注：用many, if not most一定要小心,many后一定要有词。
举例：Many individuals, if not most, harbor the idea that….同理用most, if not all ,代替most。
5、a slice of, quite a few ,several代替some。
6、harbor the idea that, take the attitude that, hold the view that, it is widely shared that, it is universally acknowledged that)替think。因为是书面语,所以要加that。
7、affair ,business ,matter代替thing 。
8、shared代common。
9、reap huge fruits代替get much benefit。
10、for my part, from my own perspective代替in my opinion。
11、Increasing(ly),growing代替more and more(注意没有growingly这种形式。所以当修饰名词时用increasing/growing.修饰形容词,副词用increasingly)举例：Sth has gained growing popularity. Sth is increasingly popular with the advancement of sth.