Idiom Number Three: Pulling Oneself Up by the Bootstraps

"Put one's nose to the grindstone" is an idiom that can be used in so many different real life situations. "Pull oneself up by the bootstraps" just means to improve one's situation through hard work and determination. For example, I record English lessons for you to help you improve your English fluency. So when I have to record, I have to put my nose to the Grindstone.