それまで
Meanings
until then; up to that time
Refers to a point in time before which something continues or after which something changes. Often used in narratives or when contrasting past and present.
Until then, he had never been abroad.
The room, which had been quiet until then, suddenly became noisy.
Expresses degree or extent, often in a negative or surprised tone. Common in phrases like それまでか (is that all?) or それまでだ (that's the end of it).
His efforts ended there (were only to that extent).
No matter how hard you try, without luck, that's all there is to it.
the end of it; all there is to it
Used to indicate that something has reached its limit or conclusion, often with a sense of finality or resignation. Frequently appears in set expressions like それまでだ or それまでよ.
If you give up here, that's the end of everything.
You only live once; once you die, that's it.