她小心翼翼地拆开缝线，准备重新缝制这件衣服。

She carefully started ___unpicking the seams to remake the dress.

教授正在仔细拆解这个理论，以找出其中的漏洞。

The professor is ___unpicking the theory to find its flaws.

律师正在帮助客户梳理这起复杂的法律纠纷。

The lawyer is helping the client ___unpick this complicated legal dispute.