aid的用法

aid的用法

◆这一家人靠政府援助生活了两年。

误：The family lived on government aids for two years.

正：The family lived on government aid for two years.

析：表示一般意义的“帮助”或“援助”，aid 是不可数名词；表示具体意义的“助手”、“辅助用品”，aid是可数名词。如：A dictionary is an important aid in learning a newlanguage.。

◆我们可以靠一张好地图去旅行。

误：We may travel on [under] the aid of a good map.

正：We may travel with the aid of a good map.

析：表示凭借或依靠某种帮助，通常用介词 with，不用介词 on或 under 等。

◆我们已帮助他们提前完成了工作。

误：We’ve aided him finish the work ahead of time.

正：We’ve aided him to finish the work ahead of time.

正：We’ve aided him in finishing the work ahead of time.

析：动词 help 可以用于 help sb do sth，但 aid 则必须用于 aid sb to do sth，也可用于 aid sb in doing sth。