aggravate v. 加重（負(fù)擔(dān)、罪行、病情等），使之惡化

　　舉例：I hurt my foot, then aggravated it by trying to walk too soon.

　　翻譯：我的腳受傷了，而過早的下地走路又加重了傷情。

　　reinforce v. 增援，一般用于軍隊或警察的行動；（以添加材料等）加固。

　　舉例：A police officer saw three thieves robbing a bank and radioed to reinforce him.

　　翻譯：一位警察看到三個盜賊搶劫銀行，用無線電話要求增援。

　　increase v. 指數(shù)量上的增加

　　舉例：The number of people has been increased.

　　翻譯：人數(shù)增加了。

　　strengthen v. 加強，鞏固，增強，相當(dāng)于to become stronger

　　舉例：Exercising every day strengthens the heart.

　　翻譯：每天鍛煉可以提高心臟的功能。

　　舉例：Competition, they believe, strengthens the national character rather than corrupt it.

　　翻譯：人們認(rèn)為競爭加強了民族性而不是破壞了它。

　　intensify v. 使變得更強烈、劇烈，加劇，相當(dāng)于to become more intense or intensive

　　intensify colors 加深色彩

　　intensify hatred 加深仇恨