Maintaining physical fitness is essential for a healthy lifestyle, and there are numerous ways to express the concept of "锻炼身体" in English. One of the most common phrases is "exercise" or "work out." For instance, you might say, "I need to exercise more to stay in shape," or "He works out at the gym every morning." Another popular term is "get physical," which can be used in sentences like, "Let's get physical and go for a run."

If you want to emphasize the regularity of your fitness routine, you could use phrases like "stay active" or "keep fit." For example, "She stays active by swimming twice a week," or "To keep fit, I cycle to work every day." Additionally, "engage in physical activity" is a more formal way to express the idea, as in, "It's important to engage in physical activity at least three times a week."

For those who prefer specific types of exercise, phrases like "go for a jog," "hit the gym," or "practice yoga" are commonly used. You might say, "I plan to go for a jog this evening," or "He hits the gym every afternoon to build muscle."

Incorporating these phrases into your daily vocabulary can help you effectively communicate your fitness goals and activities. Whether you're discussing your personal routine or encouraging others to stay healthy, these expressions are invaluable. Remember, regular physical activity not only improves physical health but also boosts mental well-being, making it a crucial aspect of a balanced lifestyle. So, next time you're planning to "锻炼身体," consider these versatile English phrases to describe your fitness endeavors.