高考英語詞匯解析：act重要短語用法
act重要短語用法
1 act as 擔(dān)任，充當(dāng)，起……的作用。如：
A trained dog can act as a guide to a blind person. 經(jīng)過訓(xùn)練的狗可以擔(dān)任盲人的向?qū)А?BR> 表示擔(dān)任獨一無二的職務(wù)，其前通常不用冠詞。如：
He acted as manager in my absence. 我不在時他擔(dān)任經(jīng)理。
I don’t understand their language; you’ll have to act as
interpreter. 我不懂他們的語言，你得當(dāng)翻譯了。
2 . act for 代理，代為。如：
Please act for me during my absence. 我不在時請代理我處理事務(wù)。
I acted for our captain while he was in hospital. 我們隊長住院時由我代理他。
3 . act out 表演出來。如：
Let’s act out the story of the three bears once more. 讓我們再把這三只熊的故事表演一次吧。
4 . act on 對……起作用，對……有效。如：
The drug acts on the stomach. 這藥對胃有效。
Alcohol acts on the nervous system. 酒精對人的神經(jīng)系統(tǒng)有影響。
5 . in the act 當(dāng)場，正在動作時。如：
He was in the very act of starting. 他正準(zhǔn)備動身。
He was caught in the act . 他被當(dāng)場抓住。