unfasten (what is wrapped or tied)
bring to ruin; destroy
"I wish I could undo my actions"
"A single mistake undid the President and he had to resign"
"undo the shoelace"
"untie the knot"
"loosen the necktie"
"Let's unwrap the gifts!"
"undo the parcel"
She undid the gate, and held it half open.
出自： L. Parr
Marcus..undid Patrick's pyjama jacket and started to pull it off.
出自： I. Murdoch