抱殘守缺meaning is what

Stick to unsound, fallacious, incorrect, invalid, false, outdated ideas/methods/beliefs/ways of doing things.

抱殘守缺

~ 抱著殘缺陳舊的東西, 捨不得扔下.形容思想保守不放,不求改進,不能與時俱進

~ very conservative, stick rigidly to ancient ways and things;
dislike changes or new ideas; have misgivings about innovation

抱殘守缺 is unwilling to change

English=.=

An attempt for one meaning is:-
(1) Old people are in their old-fashioned battered and worn-out morals.