She was quieter than usual, which was a little weird.

她比平时安静，这有点奇怪。

Coronavirus has made the earth quieter

新冠疫情使地球变得更加安静

It's too noisy here; let's find a quieter place to chat.

这里太乱，找个安静点的地方谈谈。

Indeed, I was no different from others; I just needed a quieter place.

的确，我与其他人没什么不同，我只是需要一个更安静的地方。

Business is usually quieter at this time of year.

每年这个时节，生意往往比较清淡。

BAA and the government think that because aircraft are getting quieter and cleaner the extra flights will be bearable.

英国机场管理局以及政府认为，由于飞机的噪音和污染都在降低，额外的航班便将在可允许的范围之内。

Annabel, seriously, quieter.

安娜·贝利，安静点。