[jiě kai]
undo; unlash; unlatch; unmake; untie; unfasten; untwisting; unlocking; demesh; unlock; [電] disconnect
untie a package
解開包裹
untie one's tie
解開領(lǐng)帶
undo a button
解開鈕扣
unbutton one's jacket
解開上衣
untie a kerchief
解開頭巾
unlace the shoes
解開鞋帶
find a clue to the mystery
解開這個謎
get rid of a hang-up
解開疙瘩