unraveling

You'd better mend that hole before the whole sweater starts to unravel.

你最好把那个洞补上，免得整件毛衣脱线。

We have a long way to go before we unravel the secrets of genetics.

在揭开遗传学之谜前，我们还有很长的路要走。

As talks between the leaders broke down, several months of careful diplomacy were unravelled.

由于领导人之间的会谈破裂，几个月精心策划的外交努力付诸东流。