3 sentences for 开水 (kāi​shuǐ — boiled water)

1. 多喝开水对身体有好处。

   duō hē kāi​shuǐ duì shēn​tǐ yǒu hǎo​chu.

   Drinking plenty of boiled water is good for your health.

   Source: Dong Chinese Dictionary

2. 喝点温开水吧。

   hē diǎn wēn kāi​shuǐ ba.

   Drink some warm water.

   Source: OpenSubtitles

3. 他按响了桌上的铃，向服务员又要了一杯开水。

   tā àn xiǎng le zhuō shàng de líng, xiàng fú​wù​yuán yòu yào le yī bēi kāi​shuǐ.

   He rang the bell on the table and asked the waiter for another glass of hot water.

   Source: Dong Chinese Dictionary