?1. act as (臨時)擔任，充當，起……的作用。如：A trained dog can act as a guide to a blind person. 經(jīng)過訓練的狗可以擔任盲人的向?qū)А１硎緭为氁粺o二的職務，其前通常不用冠詞。如：He acted as manager in my absence. 我不在時他擔任經(jīng)理。I don’t understand their language; you’ll have to act asinterpreter. 我不懂他們的語言，你得當翻譯了。 2. act for 代理(某人職務)，代為(處理某事)。如：Please act for me during my absence. 我不在時請代理我處理事務。I acted for our captain while he was in hospital.

?