4 sentences

1. 调低暖气，穿件毛衣吧。

   tiáo dī nuǎn​qì, chuān jiàn máo​yī ba.

   Turn your heat down and wear a sweater.

   Source: CCMatrix

2. 你应该调低恒温器来节约能源。

   nǐ yīng​gāi tiáo dī héng​wēn​qì lái jié​yuē néng​yuán.

   You should / ought to turn down your thermostat to save energy.

   Source: UM-Corpus: News

3. 但不要把温度调得过低，以免受凉。

   dàn bù​yào bǎ wēn​dù tiáo de guò dī, yǐ​miǎn shòu liáng.

   Do not set the temperature too low to avoid catching a cold.

   Source: CCMatrix

4. 关掉电话响铃，调低答录机的音量。

   guān diào diàn​huà xiǎng​líng, tiáo dī dá​lù​jī de yīn​liàng.

   Turn off the phone ringer, and turn down the volume on the answering machine.

   Source: UM-Corpus: Education