3 sentences

1. 牧先生是这家公司的经理。

   Mù xiān​sheng shì zhè jiā gōng​sī de jīng​lǐ.

   Mr. Mu is the manager of this company.

   Source: Dong Chinese Dictionary

2. 他挥动着长鞭，把牛群从茂密的草场牧往河边去喝水。

   tā huī​dòng zhe cháng​biān, bǎ niú qún cóng mào​mì de cǎo​chǎng mù wǎng hé​biān qù hē​shuǐ.

   Waving a long whip, he herded the cattle from the lush pasture toward the river to drink.

   Source: Dong Chinese Dictionary

3. 在古代，优秀的官员懂得如何更好地牧其民，使其安居乐业。

   zài gǔ​dài, yōu​xiù de guān​yuán dǒng​de rú​hé gèng hǎo de mù qí mín, shǐ qí ān​jū​lè​yè.

   In ancient times, excellent officials knew how to better govern the people, enabling them to live and work in peace.

   Source: Dong Chinese Dictionary