A person who actively favors or strives for progress toward better conditions, as in society or government. 进步人士积极支持或争取朝好的形势进步的人，尤指在社会或政论领域方面
I strove to overcome my bad habits. 我努力去革除自己的坏习惯。
America and China accepted the challenge to strengthen the ties that bind us, to cooperate for greater prosperity among our people, and to strive for a more secure and just peace in the world. 美国和中国为加强我们之间的纽带，为两国人民享有更高度的繁荣而合作，为争取世界更可靠和公正的和平，曾接受过时代的挑战。
