我目送汽車，直到看不見為止。
I watched the car until it was out of sight.
直到那時她才意識到他所承受的壓力。
Only then did she realize the stress he was under.
那場比賽直到下半場才精彩起來。
The game didn't liven up till the second half.
我們要探索一切途徑，直到找到答案為止。
We will explore every avenue until we find an answer.
她直到臨終那天一直保持著思維和理解能力。
She retained her mental faculties until the day she died.
她上了樓，直到第二天早晨才再次露面。
She went upstairs and did not reappear until morning.