记者举起话筒开始采访演员。

Jìzhě jǔqǐ huàtǒng kāishǐ cǎifǎng yǎnyuán.

The reporter raised the microphone to start interviewing the actor.

演唱会上，歌手手持话筒与粉丝互动。

Yǎnchànghuì shàng, gēshǒu shǒuchí huàtǒng yǔ fěnsī hùdòng.

During the concert, the singer interacted with fans while holding the microphone.

在会议上，每个人都用话筒发表意见。

Zài huìyì shàng, měi gè rén dōu yòng huàtǒng fābiǎo yìjiàn.

At the meeting, everyone expressed their opinions using the microphone.