the-

1.（指已提到或易领会到的人或事物）used to refer to sb/sth that has already been mentioned or is easily understood

2.（指独一无二的、正常的或不言而喻的人或事物）used to refer to sb/sth that is the only, normal or obvious one of their kind

3.（解说时用）used when explaining which person or thing you mean

4.（用以泛指）used to refer to a thing in general rather than a particular example

5.（与形容词连用，指事物或统称的人）used with adjectives to refer to a thing or a group of people described by the adjective

6.（用于姓氏的复数形式前，指家庭或夫妇）used before the plural of sb's last name to refer to a whole family or a married couple

7.（指特定用途的事物）足够，恰好enough of sth for a particular purpose

8.（与计量单位连用）每，一used with a unit of measurement to mean ‘every’

9.（与时间单位连用）当前的，本，此used with a unit of time to mean ‘the present’

10.（重读，表示所指的为知名或重要的人或事物）used, stressingthe , to show that the person or thing referred to is famous or important

1.这个,那个,此,指已经提及过的或已知的事物

2.指唯一的,不言而喻的某事物

3.泛指特定的一类事物,用于单数名词之前

4.用于时间或日期之前

5.用于名词之前,通常与“of”连用,表示某种动作

6.用于海洋,河流,山川,建筑物等专属名词之前

7.与形容词连用表示名词意义

8.用于序数词和形容词最高级之前

9.用于姓氏的复数形式之前,表示其整个家庭

10.足够,常用于否定形式中

11.指某人使用的某种乐器

12.当前的;那个,特指某个最知名的,最流行的人或事物

13.特指某道菜品

1.used when you are referring to a particular thing or person that has already been mentioned or is already known about

2.used when it is obvious which one you are referring to because there is only one

3.used before a singular noun when making a general statement about people or things of a particular type

4.used before dates or periods of time

5.used before a noun that refers to an action, especially when it is followed by "of"

6.used before the names of oceans, rivers, deserts, or groups of mountains

7.used before an adjective to form a noun when you are referring to the type of thing that is described by the adjective

8.used before superlative adjectives and words such as "first", "second", "next", and "last"

9.used before a plural name when you are referring to members of a particular family

10.used when saying whether there is enough of sth. for a particular purpose; usually used in negatives

11.used when you are saying what type of musical instrument sb. plays

12.used when a particular person, thing, or place that you are referring to is the famous one, or is the best or most fashionable

13.used before the name of a dish when ordering food, especially in an expensive restaurant