A person who actively favors or strives for progress toward better conditions, as in society or government. 進步人士積極支持或爭取朝好的形勢進步的人，尤指在社會或政論領域方面
I strove to overcome my bad habits. 我努力去革除自己的壞習慣。
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. 美國和中國為加強我們之間的紐帶，為兩國人民享有更高度的繁榮而合作，為爭取世界更可靠和公正的和平，曾接受過時代的挑戰。
