经过长期不懈的努力 through protracted and unremitting efforts ; through protractedunremitting efforts

坚持不懈的努力 persistent efforts ; persistence

通过我不懈的努力 I am tireless efforts through ; Through my tireless efforts ; Through our unremitting efforts

经过她不懈的努力 Through her tireless efforts ; After her tireless efforts ; Through her unremitting effort

坚持不懈的努力奋斗 Persistent striving ; unremitting efforts and hard work ; Persistent and work hard

玛丽坚持不懈的努力 Persistent efforts of Mary ; Mary and persistent efforts

经过他不懈的努力 Through his tireless efforts

长期不懈的努力 longstanding and unremitting efforts