3 sentences

1. 我们现在看到的是连锁反应。

   wǒ​men xiàn​zài kàn​dào de shì lián​suǒ fǎn​yìng.

   What we're seeing now is a chain reaction.

   Source: OpenSubtitles

2. 这种化学反应会产生连锁反应。

   zhè zhǒng huà​xué fǎn​yìng huì chǎn​shēng lián​suǒ fǎn​yìng.

   This chemical reaction will trigger a chain reaction.

   Source: Dong Chinese Dictionary

3. 这一决定引发了一连串的连锁反应。

   zhè yī jué​dìng yǐn​fā le yī​lián​chuàn de lián​suǒ fǎn​yìng.

   This decision triggered a series of chain reactions.

   Source: Dong Chinese Dictionary