"为了"在英语中可以说作 "in order to" 或 "so as to"。
这个短语的来源可以追溯到古英语时期，"in order to" 意为 "in the process of" 或 "for the purpose of"，而 "so as to" 意为 "with the intention of"。
举例：
I study hard in order to pass the exam. (我努力学习以通过考试。)
He works overtime so as to make more money. (他加班以赚更多的钱。)
I will eat less in order to lose weight. (为了减肥我会少吃。)
She practices playing the piano every day so as to become a professional pianist. (为了成为一名钢琴家，她每天都练习弹钢琴。)