口诀：
1. Other than 表示“除了……之外”，后面接名词或动名词。
2. The other 表示“另一个”，后面接名词。
3. Each other 表示“彼此”，常用于复数形式。
4. Another 表示“另一个”，与the other不同的是，后面不需要接名词。
其他用法：
1. Other than
“Other than”常用于表示除了某个人或事物之外的其他选项或情况。它可以接名词或动名词，例如：
- Other than English, what other languages do you speak?
- I don't eat meat other than fish.
- Other than studying, what do you like to do in your free time?
2. The other
“The other”用于表示另一个人或事物，常用于两个选项之间的对比。例如：
- I have two brothers. One is a doctor and the other is a teacher.
- There are two cakes on the table. One is chocolate and the other is vanilla.
- I have two pairs of shoes. One is black and the other is brown.
3. Each other
“Each other”用于表示两个或更多人或事物之间的互动或关系。它常用于复数形式，例如：
- The two brothers love each other very much.
- The students help each other with their homework.
- The two countries have been fighting with each other for years.
4. Another
“Another”表示另一个人或事物，与“the other”不同的是，它后面不需要接名词。例如：
- I need another cup of coffee.
- Can you give me another example?
- I don't want this book. Can you give me another one?
总结：
四个“other”的用法可以帮助我们更*地表达自己的意思。需要注意的是，在使用这些表达时，要根据具体的语境和语法规则来确定正确的用法，以避免造成歧义或语法错误。