3 sentences

1. 这位老兵曾参加过多次重要的战斗。

   zhè wèi lǎo​bīng céng cān​jiā guo duō cì zhòng​yào de zhàn​dòu.

   This veteran has participated in many important battles.

   Source: Dong Chinese Dictionary

2. 我相信那样更适合于小姑娘，而不是老兵。

   wǒ xiāng​xìn nà​yàng gèng shì hé yú xiǎo gū​niang, ér bù shì lǎo​bīng.

   I believe that suits a young girl better than an old soldier.

   Source: OpenSubtitles

3. 他是新闻界的一位老兵，见证了行业的兴衰。

   tā shì xīn​wén​jiè de yī wèi lǎo​bīng, jiàn​zhèng le háng​yè de xīng​shuāi.

   He is a veteran of the journalism world and has witnessed the industry's ups and downs.

   Source: Dong Chinese Dictionary