2 sentences

1. 对着话筒说话。

   duì​zhe huà​tǒng shuō​huà.

   Speak into the microphone.

   Source: OpenSubtitles

2. 我太太拨电话给我们的家庭医师，并将话筒交给我。

   wǒ tài​tai bō diàn​huà gěi wǒ​men de jiā​tíng yī​shī, bìng jiāng huà​tǒng jiāo gěi wǒ.

   My wife called our family doctor and handed me the phone.

   Source: CCMatrix