该句使用committed to结构表达坚定投入某项计划，体现持续努力的含义。
On October 29, Xia Yan, a senior student at the School of Fine Arts, Anqing Normal University, shared her transformation from 190 jin (95kg) to her current fit physique on social media, sparking widespread attention. Netizens were astonished to see that the beautiful instructor, standing 170cm tall and weighing only 50kg with visible abs, was once quite overweight. Due to her weight, Xia Yan struggled to find suitable clothing and was often mistaken for a boy. Her obesity even caused dizziness and fainting episodes in high school. After the college entrance exam, determined to start university with a fresh look, She committed to a strict regimen of diet control and exercise. Regarding her diet, she strictly limits carbohydrates and meat and avoids high-calorie foods. "I haven't had a carbonated drink in three years; I only drink plain water or a little yogurt when I'm thirsty," Xia Yan shared. By engaging in at least two and a half hours of daily exercise—including running, jumping rope, and dancing—she transformed from an uncoordinated freshman into a dance instructor for two classes.
10月29日，安庆师范学院美术学院大四学生夏艳在社交媒体上分享了自己从190斤蜕变为身材完美的对比照，引发了广泛关注。眼前这位身高170厘米、体重仅50公斤，且拥有迷人马甲线的舞蹈教练，曾经竟然是一个胖妞。由于肥胖，夏艳曾面临买不到合适衣服、常被误认为是男生的困扰，甚至在高中时期曾因体重过重导致头晕、昏倒入院。高考结束后，为了以全新的面貌迎接大学生活，她下定决心通过严控饮食与坚持锻炼来减肥。在饮食控制方面，她严格限制主食和肉类的摄入，远离高热量食物。夏艳表示：“我已经三年没喝过碳酸饮料了，口渴时只喝白开水或少量的酸奶。”通过跑步、跳绳、跳舞等运动，她每天坚持至少两个半小时的锻炼。从大一时的手脚不协调，到如今成为两个班的舞蹈教练，她完成了华丽的蜕变。