The young man set his own song as a ringtone.

这个年轻人把自己唱的歌设置成了铃声。

You can set different ringtones by group on your phone.

你可以在手机上按分组设置不同的铃声。

The mobile phone salesperson set a ringtone for the elderly.

这位手机销售员为老人设置好了手机铃声。

She changes the ringtone on her phone every week.

她每周都换手机铃声。

How do I change my ringtone?

如何更改铃声？

Assign a ringtone directly to a contact.

铃声直接分配到一个联系人。

I've been using this as my ringtone lately.

我现在用这首歌作为我的电话铃声。

No ringtone night also becomes very lonely.

没有铃声的夜晚也由此变得无比的孤寂。

If it is, it's called "polyphonic ringtone".

炫铃是不是就是那种和弦铃声啊。