observe sb doing sth 观察某人正在做某事 observe sth done 观察某事被做 observe the law 遵守法律 obtain [əbˈteɪn] vt. 获得;得到 obtain advice/information/permission(许可) These customs no longer obtain. 这些习俗不再存在了。 obvious [ˈɔbvɪəs] a...
另外,“get sth done”和“have sth done”在语义及语用上都有区别;前者通常表示动作让别人完成,后者通常表示动作由自己完成。例如: She got her hair cut yesterday. [她昨天剪了头发(...
1.worth +动名词= worthy of being done 做某事是值得的. Is this film worth seeing again? 这部电影值得再看一次吗? Whatever is worth doing at all is worth doing well. 凡是值的做的,就值得好好去做. 注意: 这个句型中的动名词总是用主动形式表示被动意义. 类似...
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