2 sentences

1. 我能吹哨子吗？

   wǒ néng chuī shào​zi ma?

   Can I blow the whistle?

   Source: OpenSubtitles

2. 裁判吹响了手中的哨子，比赛正式开始。

   cái​pàn chuī xiǎng le shǒu zhōng de shào​zi, bǐ​sài zhèng​shì kāi​shǐ.

   The referee blew his whistle, and the match officially began.

   Source: Dong Chinese Dictionary