3 sentences

1. 公司业务扩张很快，现在正是用人之际。

   gōng​sī yè​wù kuò​zhāng hěn kuài, xiàn​zài zhèng shì yòng​rén zhī​jì.

   The company's business is expanding rapidly, and now is a time when more hands are needed.

   Source: Dong Chinese Dictionary

2. 在旧时代，有钱人家里通常会雇佣几个用人。

   zài jiù shí​dài, yǒu​qián​rén jiā​lǐ tōng​cháng huì gù​yōng jǐ gè yòng​rén.

   In the old days, wealthy families usually employed several servants.

   Source: Dong Chinese Dictionary

3. 作为一名经理，用人是一门非常重要的学问。

   zuò​wéi yī míng jīng​lǐ, yòng​rén shì yī mén fēi​cháng zhòng​yào de xué​wèn.

   As a manager, managing people is a very important skill.

   Source: Dong Chinese Dictionary