达成某人的目标可以用英语表达为 "achieve someone's goal".
"Achieve" 是动词，意思是 "达到，实现"。"Goal" 是名词，意思是 "目标，目的"。
例如：
She achieved her goal of running a marathon in less than three hours. 她达成了在三小时内完成马拉松比赛的目标。
He worked hard to achieve his goal of becoming a successful businessman. 他努力工作，达成成为成功商人的目标。
希望这些信息对您有帮助。