4 sentences

1. 他成功登上了珠穆朗玛峰。

   tā chéng​gōng dēng​shàng le Zhū​mù​lǎng​mǎ Fēng.

   He successfully reached the summit of Mount Everest.

   Source: Dong Chinese Dictionary

2. 珠穆朗玛峰是世界上的最高峰。

   Zhū​mù​lǎng​mǎ Fēng shì shì​jiè shàng de zuì​gāo fēng.

   Mount Everest is the highest peak in the world.

   Source: Dong Chinese Dictionary

3. 珠穆朗玛峰位于中国和尼泊尔的边境上。

   Zhū​mù​lǎng​mǎ Fēng wèi​yú Zhōng​guó hé Ní​bó'ěr de biān​jìng shàng.

   Mount Everest is located on the border of China and Nepal.

   Source: Dong Chinese Dictionary

4. 登山队员们成功登上了珠穆朗玛峰的顶峰。

   dēng​shān duì​yuán men chéng​gōng dēng​shàng le Zhū​mù​lǎng​mǎ Fēng de dǐng​fēng.

   The climbers successfully reached the summit of Mount Everest.

   Source: Dong Chinese Dictionary