4 sentences

1. 我们都是大忙人。

   wǒ​men dōu shì dà​máng​rén.

   We're all busy people.

   Source: OpenSubtitles

2. 他是个大忙人。

   tā shì gè dà​máng​rén.

   He's a very busy man.

   Source: OpenSubtitles

3. 他可是大忙人。

   tā kě shì dà​máng​rén.

   He's a busy man.

   Source: OpenSubtitles

4. 他可是个大忙人，想约他吃顿饭都得提前好几天预约。

   tā kě​shì gè dà​máng​rén, xiǎng yuē tā chī dùn fàn dōu děi tí​qián hǎo​jǐ tiān yù​yuē.

   He is a very busy man; if you want to invite him to dinner, you have to book days in advance.

   Source: Dong Chinese Dictionary