充当的英文：
serve as
play the role of

参考例句：

Act as ; pose as
充当;担任..角色

He has to play the second fiddle.
他不得不充当副手。

She served her earring as a pin.
她将她的耳环充当饰针。

Poor Tom asked me to be his valentine for this Valentine's Day.
可怜的汤姆要我在这个情人节充当他的心上人。

Give secret information (esp to the police about a partner or accomplice in crime); become an informer.
告密（尤指向警方告发同伙或同谋）；充当告密者

Serve as; use as;act as
充当;用作

Act as an intermediary
充当介绍人

He served as a cat's paw.
他充当爪牙。

He acted as an arbiter
他充当调停人。

A leader who assumes the role of a messiah.
充当救世主角色的领导人

serve是什么意思：
v. 为...服务；供应；任（职）；服役
n. 发球（权）

to serve the landlord
为地主干活

Persons serving on the Appellate Body shall serve in rotation.
上诉机构人员任职应实行轮换。

They drafted him to serve as their delegate.
他们选派他作他们的代表。

play是什么意思：
v. 装扮；戏弄；参加；同…比赛；玩；打出；发挥作用；演奏；播放；扮演
n. 戏剧，剧本；比赛；玩耍，游戏

represent a play
再上演某剧

play around with
在一起厮混|玩弄|戏弄

Play havoc with
搅乱,破坏

role是什么意思：
n. 作用；角色

interpret a role
表演一个角色

interpret a role in a play
表演剧中某角色

Of or relating to the interpretation of such roles by an actor.
对这种角色的表演的,或与其相关的.