这麦克风坏了。

Zhè màikèfēng huài le.

This microphone is broken.

他整个晚上都拿着麦克风，其他人都没机会唱了。

Tā zhěng gè wǎnshang dōu názhe màikèfēng, qítā rén dōu méi jīhuì chàng le.

He held onto the microphone all night, and no one else got a chance to sing.

会议需要一个好的麦克风。

Huìyì xūyào yīgè hǎo de màikèfēng.

The meeting needs a good microphone.