孜孜不懈

鲁迅作为中国现代文学的奠基人，毕生孜孜不懈于国民性研究。

As the founder of contemporary Chinese literature , Lu Xun devoted his whole life to studying national character .

在改编的手段上，为了适应蒙古族民歌的风格，为了最大化的挖掘无伴奏合唱的魅力，作曲家们孜孜不懈的努力取得了良好的成果。

In terms of the rearranging methods , the composers have made arduous efforts in order to adapt it to the style of the Mongolian music and to explore the choral comp without accompaniment to its maximum extent and they have done a good job .