cranked up the volume的意思|示意

Someone cranked up the volume of the public address system.

有人调大了公共广播系统的音量。

White noise is helpful to block out ambient noises (particularly prevalent in a big city) — and it's perfectly safe to listen as long as the volume isn't cranked up too loudly.

白噪音对屏蔽环境噪音很有帮助(大城市的环境噪音太普遍了)，只要别把音量调得太高，就非常安全了。

I watch TV with subtitles and the volume cranked up.

我看的是带字幕的电视节目，音量调得很大。

Not bad! White noise is helpful to block out ambient noises (particularly prevalent in a big city) — and it's perfectly safe to listen as long as the volume isn't cranked up too loudly.

不错！白噪音对屏蔽环境噪音很有帮助(大城市的环境噪音太普遍了)，只要别把音量调得太高，就非常安全了。