1. 他撞上了話筒，這給極沉悶的聚會帶來了些歡樂。
   His accident with the microphone bring some welcome comic relief to a very dull party.
2. 隱形話筒， * 如放在人身體上或建筑物上的不讓外人看到的麥克風(fēng)
   A hidden microphone, as on a person's body or in a building.
3. 擴(kuò)音器，麥克風(fēng)，話筒將聲波轉(zhuǎn)變成電流的工具，通常接至擴(kuò)音器，錄音機(jī)或廣播發(fā)射機(jī)上
   An instrument that converts sound waves into an electric current, usually fed into an amplifier, a recorder, or a broadcast transmitter.
4. 對著話筒說清楚些。
   Speak clearly into the microphone.

筒的英語翻譯：