4 sentences

1. 大部队开始向目的地进发。

   dà bù​duì kāi​shǐ xiàng mù​dì​dì jìn​fā.

   The main force has begun to march toward the destination.

   Source: Dong Chinese Dictionary

2. 战士们渡过黄河，向河西进发。

   zhàn​shì men dù​guò Huáng Hé, xiàng Hé​xī jìn​fā.

   The soldiers crossed the Yellow River and marched toward Hexi.

   Source: Dong Chinese Dictionary

3. 十万大军浩浩荡荡地向边境进发。

   shí​wàn dà​jūn hào​hào​dàng​dàng de xiàng biān​jìng jìn​fā.

   A massive army of one hundred thousand marched toward the border in a grand procession.

   Source: Dong Chinese Dictionary

4. 登山队员们已经整装待发，准备向顶峰进发。

   dēng​shān duì​yuán men yǐ​jīng zhěng​zhuāng​dài​fā, zhǔn​bèi xiàng dǐng​fēng jìn​fā.

   The climbers have packed their gear and are ready to head for the summit.

   Source: Dong Chinese Dictionary