both
/ˈboθ/KK
/ˈboʊθ/IPA
1.
兩者都；兩個都
用於指剛好兩個人、事物或群體中的每一個。可放在複數名詞前，也可單獨代替名詞使用。
用法：在限定詞、代名詞或所有格前，通常用「兩者之中的兩個」這類結構，例如「兩本書中的兩本」或「他們兩人」。放在主詞代名詞後時，位置通常在助動詞之前；若沒有助動詞，則在主要動詞之前。
Both students brought cups to school.
兩位學生都帶杯子到學校。
My grandfather and grandmother both live in the same city.
我的祖父和祖母都住在同一個城市。
My brother and I both take the train to school.
我哥哥和我都搭火車上學。
還有 1 個進階的意思（國小之後才會學到）
2.
既……又……；……和……兩者都
與「和」搭配，連接兩個並列成分，表示兩者都成立。
用法：「兩者都……」與「和」要成對使用。若連接動詞，兩邊宜採相同形式；若連接形容詞或名詞，兩邊也應使用相同類型的詞。
The new library is both quiet and comfortable.
新的圖書館既安靜又舒適。
We can order both rice and noodles at this restaurant.
我們可以在這家餐廳點飯和麵。
We can talk both on the phone and at school.
我們可以在電話上和在學校談話。
常見錯誤
Both of students passed the test.
Both students passed the test.／Both of the students passed the test.
Both my parents are teachers and both of them are teachers.
Both my parents are teachers.／My parents are both teachers.
Both my sister likes tea and my brother likes coffee.
Both my sister and my brother like tea.／My sister likes tea, and my brother likes coffee.
Both of them is my classmates.
Both of them are my classmates.
相關字詞
學習提示
・此字只用於剛好兩個；三個以上通常用「全部」。
・「兩位老師都」後面接複數動詞。
・否定時，「不完全是兩者都」表示不一定兩者皆成立；「兩者都不」則應使用表示兩者皆否定的字。
・「他們兩人都」比「他們兩人中的兩個都」更自然；代名詞前才常用「兩者之中的」結構。