7 sentences

1. 他性格孤僻，很少与外界接触。

   tā xìng​gé gū​pì, hěn shǎo yǔ wài​jiè jiē​chù.

   He has a reclusive character and rarely interacts with the outside world.

   Source: Dong Chinese Dictionary

2. 外界预期美联储将加息一码。

   wài​jiè yù​qī Měi​lián​chǔ jiāng jiā​xī yī mǎ.

   The market expects the Fed to raise interest rates by 25 basis points.

   Source: Dong Chinese Dictionary

3. 第二条，她跟外界接触越少越好。

   dì'èr tiáo, tā gēn wài​jiè jiē​chù yuè shǎo yuè hǎo.

   Rule number two, the less contact she has with the outside world, the better.

   Source: OpenSubtitles

4. 他已经很多年没有与外界接触了。

   tā yǐ​jīng hěn​duō nián méi​yǒu yǔ wài​jiè jiē​chù le.

   He hasn't had any contact with the outside world for many years.

   Source: Dong Chinese Dictionary

5. 由于山路崎岖，书信很难达于外界。

   yóu​yú shān​lù qí​qū, shū​xìn hěn nán dá yú wài​jiè.

   Because of the rugged mountain roads, it's difficult for letters to reach the outside world.

   Source: Dong Chinese Dictionary

6. 任由外界如何传闻，他始终保持沉默。

   rèn​yóu wài​jiè rú​hé chuán​wén, tā shǐ​zhōng bǎo​chí chén​mò.

   Regardless of external rumors, he remained silent throughout.

   Source: Dong Chinese Dictionary

7. 这种电子设备容易受到外界电磁信号的干扰。

   zhè zhǒng diàn​zǐ shè​bèi róng​yì shòu​dào wài​jiè diàn​cí xìn​hào de gān​rǎo.

   This electronic equipment is susceptible to interference from external electromagnetic signals.

   Source: Dong Chinese Dictionary