Word: 大 (dà) older (than another person); eldest (as in 大姐[da4 jie3])

他只比我大个把岁。

Tā zhǐ bǐ wǒ dà gè bǎ suì.

He's only a couple of years older than me.

他姐姐比我哥哥大。

Tā jiějie bǐ wǒ gēge dà.

His elder sister is older than my eldest brother.

他是两人之中最大的。

Tā shì liǎng rén zhīzhōng zuì dà de.

He is the older of the two.

他比你大两岁。

Tā bǐ nǐ dà liǎng suì.

He is two years older than you.

他比你大八岁。

Tā bǐ nǐ dà bā suì.

He is older than you by eight years.

他比她大三岁。

Tā bǐ tā dà sān suì.

He is older than she is by three years.

他比我大三岁。

Tā bǐ wǒ dà sān suì.

He's three years older than me.

她比他大三岁。

Tā bǐ tā dà sān suì.

She's three years older than him.

她比你大两岁。

Tā bǐ nǐ dà liǎng suì.

She is two years older than you.

她的大女儿结婚了。

Tā de dà nǚ'ér jiéhūnle.

Her older daughter is married.

我不知道他比我大还是小。

Wǒ bù zhīdào tā bǐ wǒ dà háishi xiǎo.

I don't know whether he's younger or older than me.

我大他一岁。

Wǒ dà tā yí suì.

I'm one year older than him.

我姐姐比我哥哥大。

Wǒ jiějie bǐ wǒ gēge dà.

My sister is older than my brother.

我比他年纪还大。

Wǒ bǐ tā niánjì hái dà.

I am yet older than he is.