Not until意思

"Not until" is a conjunction phrase in English that is used to indicate a point in time before which something does not happen. It is used to express a condition or a situation that must be met before an action can occur. The structure is typically followed by a clause that describes the condition or situation.

Here are a few examples of how "not until" is used:

  1. I won't go to bed until I finish my homework.
  2. The meeting won't start until everyone arrives.
  3. Not until tomorrow will we know the results.
  4. You cannot leave the room until you finish your test.

In each of these examples, "not until" is used to specify a point in time before which the action (going to bed, starting the meeting, knowing the results, or leaving the room) will not occur.