了断

wǒ zhǐ xiǎng bǎ zhè duàn guān xi chè dǐ liǎo duàn

我只想把这段关系彻底了断。

I just want to draw a line under the relationship.

wǒ men zuò gè liǎo duàn ba

我们做个了断吧。

Let's get over with this.