When you devote yourself to something, you care about it very much, so you spend a lot of time and energy on it.
You might devote yourself to a club or a sport: it means you work hard for it, for a long time. In fact, you can also devote your time, devote your work, and devote your energy to something: it means you spend your time, work, or energy on that important thing that you love and care about so much. You can also devote money to something, meaning you spend your money on it.
You can also be devoted to a person you love, or to a pet you love. If you're devoted to your family, it means you love them dearly, and you work hard to take care of them, or you spend a lot of time with them. If you're devoted to your cat, it means you love her very much, you spend time playing with her, and every day, you clean up after her and give her fresh food and water.
Usually, you show your devotion to people and things by spending time and energy on them. But there are lots of ways to show your devotion. Some people show devotion by tattooing each other's names onto their skin. Tattoos don't wash off! They're strong and long-lasting. And devotion is a strong, long-lasting feeling.
Remember: to devote yourself to someone is to take care of them, do things for them, and stick by them, day after day, year after year. And to devote yourself to something is to work hard on it for a long time.
Idea 1: "If you really want to get good at (some game, sport, or skill), then you have to devote (a certain number of minutes or hours) to practicing it every day."
Idea 2: "I'm devoted to my (pet, friend, or family member), so we spend time together every day, (doing something)."
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