2 sentences for 往后 (wǎng​hòu — future)

1. 往后的事情谁也无法完全预料。

   wǎng​hòu de shì​qing shéi yě wú​fǎ wán​quán yù​liào.

   No one can fully predict what will happen in the future.

   Source: Dong Chinese Dictionary

2. 人太多了，请大家往后倒几步，空出一点位置。

   rén tài duō le, qǐng dà​jiā wǎng​hòu dào jǐ bù, kōng​chū yī​diǎn wèi​zhi.

   It's too crowded; please back up a few steps to make some room.

   Source: Dong Chinese Dictionary