do duty for充當(dāng)
【講解】
此語指“當(dāng)……來用”，例如：This is a table that does duty for a hotel desk.(這張桌子用來做旅館的服務(wù)臺(tái)。）也指“代某人履行職責(zé)”，例如：He does gate duty for Mr. Wang.(他代王先生把門。）此語也可以寫作do duty as。
【對(duì)話】
A:Too hot! This summer's weather is abnormal.
A:太熱了！今年夏天的天氣不正常。
B:It's a pity that our classroom is not air-conditioned.
B：真遺憾教室里沒有空調(diào)。
A:Air-condition? Are you dreaming? We even haven't a fan.
A：空調(diào)？你做夢(mèng)呢？我們連臺(tái)電扇都沒有。
B:Maybe a book can do duty for a fan.
B：或許書本可代替風(fēng)扇。
A:Yeah, We are so poor.
A:對(duì)呀。我們好可憐啊。
【講解】
此語指“當(dāng)……來用”，例如：This is a table that does duty for a hotel desk.(這張桌子用來做旅館的服務(wù)臺(tái)。）也指“代某人履行職責(zé)”，例如：He does gate duty for Mr. Wang.(他代王先生把門。）此語也可以寫作do duty as。
【對(duì)話】
A:Too hot! This summer's weather is abnormal.
A:太熱了！今年夏天的天氣不正常。
B:It's a pity that our classroom is not air-conditioned.
B：真遺憾教室里沒有空調(diào)。
A:Air-condition? Are you dreaming? We even haven't a fan.
A：空調(diào)？你做夢(mèng)呢？我們連臺(tái)電扇都沒有。
B:Maybe a book can do duty for a fan.
B：或許書本可代替風(fēng)扇。
A:Yeah, We are so poor.
A:對(duì)呀。我們好可憐啊。