6 sentences

1. 这里的树林长得很密。

   zhè​lǐ de shù​lín zhǎng de hěn mì.

   The woods here are very dense.

   Source: Dong Chinese Dictionary

2. 地里的白菜太密了，需要间一下苗。

   dì​lǐ de bái​cài tài mì le, xū​yào jiàn yī​xià miáo.

   The cabbages in the field are too dense and need to be thinned out.

   Source: Dong Chinese Dictionary

3. 密先生是这家公司的经理。

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

   Mr. Mi is the manager of this company.

   Source: Dong Chinese Dictionary

4. 如果你有兴趣，可以私下密我。

   rú​guǒ nǐ yǒu xìng​qù, kě​yǐ sī​xià mì wǒ.

   If you are interested, you can message me privately.

   Source: Dong Chinese Dictionary

5. 他们两个人的关系一直很密。

   tā​men liǎng gè rén de guān​xi yī​zhí hěn mì.

   The relationship between the two of them has always been very close.

   Source: Dong Chinese Dictionary

6. 文件封面标注着一个醒目的‘密’字。

   wén​jiàn fēng​miàn biāo​zhù zhe yī gè xǐng​mù de‘mì’ zì.

   A striking character for 'Confidential' is marked on the cover of the document.

   Source: Dong Chinese Dictionary