可不经过宣告作为无效

【经】 avoidance without declaration

可的英语翻译：

approve; but; can; may; need; yet

不的英语翻译：

nay; no; non-; nope; not; without
【医】 a-; non-; un-

经过的英语翻译：

after; by; course; go through; pass by; process; through; transit
【医】 course

宣告的英语翻译：

declare; doom; sound; proclaim; pronounce; adjudgment; judgment
【法】 adjudicate; announcement; declaration; declare; notify; proclaim
proclamation; pronouncement; pronouncement of judgment
pronouncing a judgement

作为的英语翻译：

action; as; by way of; conduct; deed; look on as; qua; regard as; take for
【法】 act of commission; feasance

无效的英语翻译：

be of no effect; invalidity; impotence; inefficacy; nullification; nullity
【计】 IDL; ineffectiveness
【医】 inefficacy
【经】 inefficiency; null and void