8 sentences

1. 我们是认识多年的老朋友了。

   wǒ​men shì rèn​shi duō nián de lǎo​péng​you le.

   We have been friends for many years.

   Source: Dong Chinese Dictionary

2. 我们已经是30多年的老朋友了。

   wǒ​men yǐ​jīng shì30 duō nián de lǎo​péng​you le.

   We've been friends for over 30 years.

   Source: OpenSubtitles

3. 从此以后，他再也没有见过那位老朋友。

   cóng​cǐ​yǐ​hòu, tā zài yě méi​yǒu jiàn guo nà wèi lǎo​péng​you.

   From then on, he never saw that old friend again.

   Source: Dong Chinese Dictionary

4. 我正计划下个月去内华达州看望一个老朋友。

   wǒ zhèng jì​huà xià​gè​yuè qù Nèi​huá​dá​zhōu kàn​wàng yī​gè lǎo​péng​you.

   I'm planning to visit an old friend in Nevada next month.

   Source: Dong Chinese Dictionary

5. 他在街上走着，迎面撞见了多年未见的老朋友。

   tā zài jiē​shang zǒu zhe, yíng​miàn zhuàng​jiàn le duō​nián wèi​jiàn de lǎo​péng​you.

   While walking down the street, he ran into an old friend he hadn't seen in years.

   Source: Dong Chinese Dictionary

6. 我们下周打算去大埔看望那里的一位老朋友。

   wǒ​men xià​zhōu dǎ​suàn qù Dà​bù kàn​wàng nà​li de yī wèi lǎo​péng​you.

   We plan to go to Dapu next week to visit an old friend there.

   Source: Dong Chinese Dictionary

7. 念在早日的交情上，他决定伸手帮老朋友一把。

   niàn zài zǎo​rì de jiāo​qing shàng, tā jué​dìng shēn​shǒu bāng lǎo​péng​you yī bǎ.

   For the sake of their past friendship, he decided to lend his old friend a hand.

   Source: Dong Chinese Dictionary

8. 我的老朋友这个月还没来。

   wǒ de lǎo​péng​you zhè gè yuè hái méi lái.

   My 'monthly visitor' hasn't arrived yet this month.

   Source: Dong Chinese Dictionary