出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第147页（209字）
以帮助别人为乐，例他平日乐善好施，助人为乐，当朋友有难时他总是倾其所有，尽力帮忙。
He is a generous man and loves to help others．When friends are in trouble，he will do his utmost to come to their aid．