un·say /-ˈse, ||ˈsɛ/
(vt.)取消,撤回
Un·say v. t. To recant or recall, as what has been said; to refract; to take back again; to make as if not said.
You can say and unsay things at pleasure. --Goldsmith.
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unsay
v : take back what one has said; "He swallowed his words" [syn:
swallow, take back, withdraw]
[also: unsaid]