3 sentences

1. 他轻轻地推开了房门。

   tā qīng​qīng de tuī​kāi le fáng​mén.

   He gently pushed open the room door.

   Source: Dong Chinese Dictionary

2. 你今晚一定要锁好房门哦。

   nǐ jīn​wǎn yī​dìng yào suǒ hǎo fáng​mén o.

   Make sure you lock your doors tonight.

   Source: OpenSubtitles

3. 他从兜里掏出一把钥匙，打开了房门。

   tā cóng dōu lǐ tāo​chū yī bǎ yào​shi, dǎ​kāi le fáng​mén.

   He took a key out of his pocket and opened the door.

   Source: Dong Chinese Dictionary