for good

US /fɔr ˈɡʊd/
UK /fɔr ˈɡʊd/
"for good" picture
1.

永远, 彻底

permanently; for always

:
She left the country for good.
永远地离开了这个国家。
I'm quitting smoking for good this time.
这次我将彻底戒烟。