2 sentences

1. 我们必须自救。

   wǒ​men bì​xū zì​jiù.

   We must save ourselves.

   Source: OpenSubtitles

2. 发生火灾时，学会自救至关重要。

   fā​shēng huǒ​zāi shí, xué​huì zì​jiù zhì​guān​zhòng​yào.

   Knowing how to save yourself is crucial when a fire breaks out.

   Source: Dong Chinese Dictionary