6 sentences

1. 他是这个大型门户网站的站长。

   tā shì zhè gè dà​xíng mén​hù wǎng​zhàn de zhàn​zhǎng.

   He is the webmaster of this large portal website.

   Source: Dong Chinese Dictionary

2. 这家公司经营着国内最大的门户网站。

   zhè jiā gōng​sī jīng​yíng zhe guó​nèi zuì dà de mén​hù wǎng​zhàn.

   This company operates the largest web portal in the country.

   Source: Dong Chinese Dictionary

3. 旧社会有些女子不幸坠入门户。

   jiù shè​huì yǒu xiē nǚ​zǐ bù​xìng zhuì​rù mén​hù.

   In the old society, some women unfortunately fell into prostitution.

   Source: Dong Chinese Dictionary

4. 他决定脱离原本的组织，另立门户。

   tā jué​dìng tuō​lí yuán​běn de zǔ​zhī, lìng lì mén​hù.

   He decided to break away from his original organization and set up his own.

   Source: Dong Chinese Dictionary

5. 这座城市是中国对外贸易的重要门户。

   zhè zuò chéng​shì shì Zhōng​guó duì wài mào​yì de zhòng​yào mén​hù.

   This city is an important gateway for China's foreign trade.

   Source: Dong Chinese Dictionary

6. 为了家族的利益，他非常看重联姻时的门户相当。

   wèi​le jiā​zú de lì​yì, tā fēi​cháng kàn​zhòng lián​yīn shí de mén​hù xiāng​dāng.

   For the sake of the family's interests, he places great importance on matching social status in marriage alliances.

   Source: Dong Chinese Dictionary