3 sentences

1. 你的心率怎么样？

   nǐ de xīn​lǜ zěn​me​yàng?

   How's your heart rate?

   Source: OpenSubtitles

2. 运动员在比赛时需要监测心率。

   yùn​dòng​yuán zài bǐ​sài shí xū​yào jiān​cè xīn​lǜ.

   Athletes need to monitor their heart rate during competitions.

   Source: Dong Chinese Dictionary

3. 心率正常。

   xīn​lǜ zhèng​cháng.

   Heart rate is normal.

   Source: OpenSubtitles