He was gone when she returned and did not appear again until time for supper.

等她回来时，他已经走了，到吃晚的时候才回来。

It's asking about the period of time from the past right up until this moment.

它询问的是从过去到现在的时间段。

So, I was killing my time at home until June 2012 when I discovered the online computer courses of your training center.

所以，直到 2012 年 6 月我发现你们培训中心的在线计算机课程之前，我一直在家里消磨时间。

I could say that I was on the go all day and I didn't have any time to rest until late at night.

可以说我整天都在奔波，一直到深夜都没有时间休息。

Both " evening" and " night" refer to time usually after five or six p.m. until the time that you go to bed, maybe 10-11p.m., perhaps even midnight.

“evening”和“night”都是指通常在下午五六点之后的时间。直到你上床睡觉的时间，可能是晚上 10 点到 11 点，甚至可能是午夜。

This is research from a world-class music academy, and what I want to draw your attention to is this: the exceptional musicians didn't start spending more time in deliberate practice than the average musicians until their third instrument.

这是来自世界一流音乐学院的研究，我想提请大家注意的是：杰出的音乐家在第三种乐器之前， 并没有开始比普通音乐家花更多的时间进行刻意练习。