I’m finding the way to improve my game-sense. Want to know the detail in pro scene. How did they do and Why,etc. (My English is not that good. I can listen and understand how they talk but dont know many vocab so some of their talk I dont k...

Let's say you have found a very lost enemy and you are sneaking up behind them and the haven't noticed, if you have your gun out could you switch to your knife without them hearing the sound effect and switch back as well?