助人达己，英文可以翻译为"helping others to achieve self-improvement." 这个说法源自儒家思想中的一个重要原则，即"仁者爱人"，意思是人应该以爱心去帮助他人。例句：

助人达己是一种美德，我们都应该努力做到。
Helping others to achieve self-improvement is a virtue, and we should all strive to do it.
她总是为别人着想，助人达己是她的信念。
She always thinks of others, and helping others to achieve self-improvement is her bepef.
帮助他人成长，最终也能帮助自己实现更大的成就。
By helping others grow, you can ultimately help yourself achieve greater achievements.