You are giving a presentation at a conference. You want the audience to ask questions if there's anything they don't understand. Near the beginning of your presentation, you say:
Feel free to ask questions at any point.
When you want to allow people to do something, you can say "feel free to ___." This is a formal phrase that you usually use with people you don't know very well, or with large groups:
Feel free to take one if you want it.
Feel free to call me with any questions.
You can use the word "point" to talk about time. In the example above, "at any point" means "at any time". The word "point" is used to mean "time" in situations where:
- The time is a specific, exact event. It's not a continuing situation.
- The event happens within a longer length of time. In the example at top, the period of time is during the presentation.
Here's an example. You're talking about watching a movie that wasn't very interesting:
At one point, I thought I was going to go to sleep.
In this example, the specific event is "I thought I was going to..." and the longer period of time was the length of the movie.
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