Preguntas sobre ejemplos de oraciones con, y la definición y uso de "Perfectionism"

Q: ¿Cómo dices esto en Inglés (US)? perfectionism

Q: ¿Esto suena natural? Perfectionism has its pros and cons, as we all know. However, when it comes to learning English as a second language, I firmly believe that perfectionism is not beneficial. For instance, if you spend too much time focusing on grammar and vocabulary, you may not have enough time to practice your speaking and listening skills, or worse, you may hold back and not join in the conversation. In learning English, active speaking is essential, and we mustn't be afraid of making mistakes. Making mistakes is normal when you're learning something new, and it can actually help you remember better. Ultimately, failure is a stepping stone to success. So, don’t try to be perfect. Let’s have fun learning English.

Q: Many of us believe perfectionism is a positive. But researchers are finding that it is nothing short of dangerous, leading to a long list of health problems – and that it’s on the rise.

Q: what does “it is nothing short of dangerous” mean in the sentence above? What’s the usage of “it is nothing”?

Q: ¿Esto suena natural? He seeks perfectionism when it comes to working. So he is pretty strick about work.
So I would pay a little attention to that.
Whatever it is, be careful not to do anything arbitrarily and just make sure to check whether things you did right or wrong first before you give report to him.

Q: ¿Esto suena natural? I strongly believe my perfectionism would work as my advantage when I need to focus on demanding projects at work.