undid
(vbl.)undo的過去式和過去分詞
undo
v 1: cancel, annul, or reverse an action or its effect; "I wish I
could undo my actions"
2: deprive of certain characteristics [syn: unmake] [ant: do]
3: cause the ruin or downfall of; "A single mistake undid the
President and he had to resign"
4: cause to become loose; "undo the shoelace"; "untie the
knot"; "loosen the necktie" [syn: untie, loosen]
5: remove the outer cover or wrapping of; "Let's unwrap the
gifts!"; "undo the parcel" [syn: unwrap] [ant: wrap]
[also: undone, undid]