我的耳机线在包里缠成了一团。

My earphone wires ___tangled into a tangle in my bag.

他耐心地把打结的耳机线解开。

He patiently ___unraveled the tangled earphone cords.

她的含糊解释让问题变得更加复杂了。

Her vague explanation only ___unravelled the issue further.