4 sentences

1. 团长下令全团官兵立刻集合。

   tuán​zhǎng xià​lìng quán tuán guān​bīng lì​kè jí​hé.

   The regimental commander ordered all officers and soldiers of the regiment to assemble immediately.

   Source: Dong Chinese Dictionary

2. 团长命令部队务必在天亮前夺取那座高地。

   tuán​zhǎng mìng​lìng bù​duì wù​bì zài tiān​liàng qián duó​qǔ nà zuò gāo​dì.

   The regiment commander ordered the troops to seize that high ground before dawn.

   Source: Dong Chinese Dictionary

3. 代表团团长在开幕式上发表了讲话。

   dài​biǎo​tuán tuán​zhǎng zài kāi​mù​shì shàng fā​biǎo le jiǎng​huà.

   The head of the delegation delivered a speech at the opening ceremony.

   Source: Dong Chinese Dictionary

4. 我们小区的团长负责联系新鲜蔬菜的团购。

   wǒ​men xiǎo​qū de tuán​zhǎng fù​zé lián​xì xīn​xiān shū​cài de tuán​gòu.

   The group leader of our community is responsible for coordinating group buying of fresh vegetables.

   Source: Dong Chinese Dictionary