When I was a lad his age中的his age是作为什么成分

When I was a lad his age I would laugh at the strangest things.

我是他那样的小毛孩时，莫明其妙地就会发笑。

请教这句话中的【his age】是作为什么成分呢？

his age是名词短语作后置定语。其实，a lad his age是a lad of his age的省略形式，of sb's age“像某人那么大；与某人同龄”是介词短语，且of常可省略，省略后应将其看作是名词短语，常用作表语或定语。如：

She is (of) my age.她与我同龄。《简明英汉词典》（表语）

They are (of) the same age.他们两人同年。《现代英语惯用法词典》（表语）

a boy (of) your age 像你那么大的男孩《现代英语惯用法词典》（定语）

We have a son your age.我们有个儿子和你同岁。《牛津高阶英汉双解词典》（定语）

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擅长：英语考试 | 采纳率 54% | 回答于 1秒前

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陈才 - 英语教师 1秒前

擅长：中考英语,词法问题

When I was a lad his age I would laugh at the strangest things.

我是他那样的小毛孩时，莫明其妙地就会发笑。

请教这句话中的【his age】是作为什么成分呢？

回答如下：

有以下2种理解

（1）名词短语作状语

（2）名词短语作后置定语

备注：还可以在前面加介词at/of构成介词短语at his age/ of his age

(sb would do sth 表示主语过去经常习惯上的动作，不说明现在是否还这样做，但是sb used to do sth 表示某人过去常常做某事，现在不再做了。因此要注意他们去区别）

I admired him for being so confident at his age.

我钦佩他这般年纪就如此自信

He is stupid for a child of his age.

与同龄的孩子比,他很笨.

Of his age, the child is above the norm in arithmetic.

在他那个年龄, 这个孩子的算术能力是超过标准的.

He has always assorted with men of his age.

他总是与和他年令相仿的人交往.

His age borders on fifty.

他年近50.

I had no idea of his age.

我不知道他多大岁数了