"三好学生" 的英语翻译是 "good student" 。 "三好"在中文中指的是三个方面，分别为优秀的学习成绩、优秀的社会表现和优秀的思想品质。
例句1: "Tom is a good student. He always gets good grades and is well-behaved in class."
中文翻译1: "汤姆是一个三好学生。他总是得到好成绩，并且在课堂上表现良好。"
例句2: "Sara is a good student. She is not only academically successful but also a leader in her community."
中文翻译2: "萨拉是一个三好学生。她不仅在学术上成功，而且是社区中的领导者。"