The crying boy must be quieted.

那个正哭的孩子必须得到安慰。

His stern voice quieted the entire room.

他的凛然声音让整个房间安静下来。

He only spoke one time, and everyone quieted down.

他只说了一番话，就让大家都安静了下来。

The children quieted down when they saw the teacher frown.

孩子们看到老师皱眉时都安静了下来。

As soon as he gave an oral instruction, everyone quieted down.

他一发话，大家都安静了下来。

The city quieted down again.

城市又平静下来。

The children soon quieted down .

孩子们不久就静下来了。

The storm gradually quieted down.

暴风雨逐渐平静了下来。

She quieted down and we got home.

她静了下来，我们到家了。

She soon quieted down and fell asleep.

孩子们很快就安静下来了。