5 sentences

1. 他远远地站在校门口，向我挥手。

   tā yuǎn​yuǎn de zhàn zài xiào​mén​kǒu, xiàng wǒ huī​shǒu.

   He stood at the school gate in the distance, waving to me.

   Source: Dong Chinese Dictionary

2. 咱们明儿早上八点在校门口集合。

   zán​men míng​r zǎo​shang bā​diǎn zài xiào​mén​kǒu jí​hé.

   We will meet at the school gate at 8:00 tomorrow morning.

   Source: Dong Chinese Dictionary

3. 校门口的旗子被系在一根长长的杠上。

   xiào​mén​kǒu de qí​zi bèi jì zài yī gēn cháng​cháng de gāng shàng.

   The flag at the school gate was tied to a long pole.

   Source: Dong Chinese Dictionary

4. 他在校门口徘徊了很久，似乎在等什么人。

   tā zài xiào​mén​kǒu pái​huái le hěn jiǔ, sì​hū zài děng shén​me rén.

   He lingered at the school gate for a long time, as if waiting for someone.

   Source: Dong Chinese Dictionary

5. 老师在校门口向我们挥手，示意大家过去。

   lǎo​shī zài xiào​mén​kǒu xiàng wǒ​men huī​shǒu, shì​yì dà​jiā guò​qù.

   The teacher waved to us at the school gate, signaling for everyone to come over.

   Source: Dong Chinese Dictionary