1 sentence

1. 这种机会来之不易，我们要倍加珍惜。

   zhè zhǒng jī​huì lái​zhī​bù​yì, wǒ​men yào bèi​jiā zhēn​xī.

   This kind of opportunity is hard-won; we must cherish it all the more.

   Source: Dong Chinese Dictionary