as
翻譯
作為, 像, 因為, 當…時
例句
He works as a teacher.
他當老師。
She is as tall as her brother.
她和她哥哥一樣高。
As it was raining, we stayed inside.
因為下雨，我們待在室內。
Call me as you leave.
你離開時給我打電話。
文法模式
as ((a/an + 名詞)) 作為（某物）的角色。 He works as a teacher.
as ((形容詞/副詞)) as ((名詞/代名詞)) 用於比較。 She is as tall as her brother.
as ((從句)) 因為。 As it was raining, we stayed inside.
as ((從句)) 在…的同時。 Call me as you leave.
近義詞
同義詞: like (像), since (既然), because (因為), while (當...時候)
詞源
源自古英語「alswa」，意為「完全如此，正如」。
記憶技巧
「As」是一個有很多用法的小詞。可以把它想像成連接思想的橋樑：角色（as a...）、比較（as...as）、原因（as...）或時間（as...）。