tǎolùn / hěn / kuài / biàn / de / bù / zhuó / biān / jì / wǒmen / zuìzhōng / méiyǒu / dédào / jiélùn

讨论很快变得不着边际，我们最终没有得出结论。

The discussion quickly became irrelevant, and we didn't reach a conclusion in the end.