2 sentences

1. 哨声吹响，我们又开始了。

   shào​shēng chuī xiǎng, wǒ​men yòu kāi​shǐ le.

   The whistle blew and we started again.

   Source: AI Challenger 2017

2. 哨声是什么意思？

   shào​shēng shì shén​me yì​si?

   What does the whistle mean?

   Source: CCMatrix