门铃响了，你去看看是谁来了。

Ménlíng xiǎng le, nǐ qù kànkan shì shéi lái le.

The doorbell rang — go see who's here.

快递员按了好几次门铃都没人开门。

Kuàidì yuán àn le hǎo jǐ cì ménlíng dōu méi rén kāi mén.

The delivery person rang the doorbell several times but no one answered the door.

我们家的门铃坏了，得换一个新的。

Wǒmen jiā de ménlíng huài le, děi huàn yī ge xīn de.

Our doorbell is broken; we need to get a new one.