4 sentences

1. 王老总正在开会，请稍等。

   Wáng lǎo​zǒng zhèng​zài kāi​huì, qǐng shāo děng.

   President Wang is in a meeting; please wait a moment.

   Source: Dong Chinese Dictionary

2. 朱老总亲临前线指挥战斗。

   Zhū lǎo​zǒng qīn​lín qián​xiàn zhǐ​huī zhàn​dòu.

   Commander Zhu went to the front lines to direct the battle.

   Source: Dong Chinese Dictionary

3. 这位老总在清朝朝廷中极具影响力。

   zhè wèi lǎo​zǒng zài Qīng​cháo cháo​tíng zhōng jí jù yǐng​xiǎng​lì.

   This high-ranking official was very influential in the Qing court.

   Source: Dong Chinese Dictionary

4. 那个村民走上前，客气地问路过的士兵：“老总，去城里怎么走？”

   nà​gè cūn​mín zǒu shàng qián, kè​qi de wèn lù​guò de shì​bīng:“ lǎo​zǒng, qù chéng​lǐ zěn​me zǒu?”

   The villager stepped forward and politely asked the passing soldier, 'Sir, which way to the city?'

   Source: Dong Chinese Dictionary