When it comes to working hard at something, it's important to have a diverse vocabulary to help express yourself clearly. Some synonyms for "work hard at" include strive, labor, toil, exert, endeavor, grind, slog, persevere, put in effort, apply oneself, and push oneself. These words reflect a sense of determination, grit, and perseverance which are crucial in today's fast-paced world. They also help signify the effort and commitment one puts in towards achieving their goals. Whether it's studying for a test, building a business, or training for a marathon, using synonyms for "work hard at" can add depth and meaning to your language, making you a more effective communicator.