untilprep.直到 ... 的时候；在...以前；直到…为止conj.直到 ... 时候才 ...；在...之前；直到...的程度；直到…为止untiltedadj.无倾斜的

1. So far, I have understood the lesson.
   到现在为止，功课我会了。
2. Until now you've stayed away from the people you knew in prison.
   到现在为止，你一直避着在狱中认识的那些人。
3. This was one of the blackest crimes ever committed.
   这是迄今犯下的最令人发指的罪行之一。
4. Some of the ice has melted so far.
   迄今已有一些冰融化掉了。