他三岁时父亲便故去了。

His father passed away when he was only <em>three</em> <em>years</em> <em>old</em>.

他长我三岁。

He is <em>three</em> <em>years</em> <em>old</em>er than me./ He is three years my senior./ He is my senior by three years./ He is three years senior to me.

他比我年长三岁。

He is <em>three</em> <em>years</em> <em>old</em>er than I am. / He is three years senior to me. / He is three years my senior. / He is my senior by three years.

因为你们都曾是三岁的孩子。

Because you all used to be <em>three</em> <em>years</em> <em>old</em>.

我三岁时就开始学溜冰了。

I learned how to skating when I was <em>three</em> <em>years</em> <em>old</em>.

她三岁时不幸失去了父亲。

She tragically lost her father when she was just <em>three</em> <em>years</em> <em>old</em>.

那病史载我三岁那年落下的。

It contains a history of falling, I was <em>three</em> <em>years</em> <em>old</em> that year.

我的姐姐比我大三岁。

My sister is <em>three</em> <em>years</em> <em>old</em>er than me.

我儿子三岁了。

My son <em>three</em> <em>years</em> <em>old</em>.

她比我大三岁.

She is <em>three</em> <em>years</em> <em>old</em>er than me.