unpick
/ʌnˈpɪk/
动词
拆去（缝线）
深入剖析难题
He expertly unpicks the significant features of each painting.
他专业地深入剖析每一幅画的重要特征。
（逐渐）破坏，毁掉已取得的成绩
The former leader now has to watch his successor unpicking what he strived so hard to achieve.
这位前任领导现在不得不眼睁睁地看着他的继任者一点点地毁掉他辛苦开创的局面。