Fast can be an adjective, but in this case fast is an adverb, and there's nothing non-standard or ungrammatical about it. Fastly, on the other hand, would be ungrammatical; fast is already an adverb, and there's no need to add -ly. Dictionaries aren't always right about parts of speech, but in this case they'll give you the right answer.

Mar 23, 2017 · The second sentence means 'She wouldn't make mistakes if she didn't work as fast as she does.' This might imply that she works too fast, but doesn't actually say it. You could use 'too' instead of 'so':'She wouldn't make mistakes if she didn't work too fast.' This actually says the same thing thing as the first sentence.

Mar 10, 2012 · But while "talk too fast/quickly" usually always describes the speed with which someone verbally communicates, "speak to fast/quickly" can sometimes describe a person that jumps to a premature conclusion: Guy 1: Ha-ha-ha, I cheated on my wife, and she doesn't suspect a thing! Guy 2: I wouldn't speak so fast if I were you. Here comes your wife ...

Jul 20, 2022 · Too : to an excessive extent. Don’t drive too fast = don’t drive at an excessive speed (don’t drive faster than is safe and/or legal). Note that only the first of them (so) implies that the driver needs to take immediate action. With the other two what the speaker considers to be very fast or too fast may not be the same as the driver.

Apr 6, 2008 · Technology in computers is advancing so fast it is nearly impossible to keep up (don't think you need with this speed) To use (e) in your sentence it would work this way.. Technology in computers is advancing too fast for many (most) people to keep up. and to use (b) Technology in computers is advancing faster than most people can cope with.

Dec 20, 2021 · Something that is fast might always be fast. For example, you might say that a jet plane is fast, even when it's standing still. 'Fast' is a quality it possesses. 'Quick' relates to time. If something was 'quick' it means that it happened in a short space of time - that might be as a result of being fast, but it can also relate to other things ...

Dec 29, 2012 · My Left Mouse Click is working too fast .I have installed the latest drivers even with speed slowed down in control panel mouse works too fast when clicked once it acts as if double click. Is there any solution for this my earlier mouse acted the same way then I …

Aug 2, 2011 · The write speed for the recordable disc is either too fast or too slow for your CD or DVD burner. Insert a recordable disc that has a different write speed, adn then try again. ===== Then it offers choices to try with a different disc, save the temp files for later, etc.

May 10, 2006 · Don't walk too fast - relates to the speed of walking. Don't walk too quickly - could relate to speed of walking OR could mean don't start walking too soon. But: Don't walk so fast, and Don't walk so quickly - both relate only to the speed of walking. I think

Jul 21, 2021 · Native English speakers are more likely to use fast in that sentence, but quickly wouldn't be wrong. While fast and quickly are usually interchangeable, fast is generally used more often talking about actual speed (km/hr), while quickly is used more often when talking about how much time it takes to do something.