On November 25th, 2019, the 2nd Series Lecture themed with "Meticulous Scholarship in Coherence with the Trajectory of Life" on "Bittersweetness—Approaching Philosophies of Academic Research" featured Professor ZHANG Yunling, Member of the Presidium of the Chinese Academy of Social Sciences (hereinafter referred to as “CASS”) Academic Divisions, Director of the Center for Regional Security Studies of CASS, Distinguished Professor of Humanities, President of the Institute of International Studies and Chair on the Academic Committee of School of Northeast Asian Studies at Shandong University. The distinguished scholar imparted quintessence of meticulous reflections tinted with vitality and vicissitudes to over fifty attendees by virtue of proactive inheritance of scrupulous academic undertakings. Professor WU Xinbo, Director of the Center for American Studies and Dean of the Institute of International Studies at Fudan University facilitated the reverberating event. Professor ZHANG Yunling integrated behavioral conducts, academic undertakings, secular philosophies, benevolent ethics in nurturing steadfast friendship and regulating the family, harboring national consciousness, global horizons, inter-personal sensibilities as well as appealing and joyful life-styles. In retrospect of allocated tasks to access "re-education" upon graduation in rural areas, Prof. ZHANG recollected "psychological income" by virtue of intrinsic acquisitions traversing the phase of "Career Decade” in Hebei Province, the original aspirations of engaging in academic researches on international studies, perseverance and spotlight cast on open-mindedness and international visions, deliberating on the manifold aspects as an echoing and panoramic canyon with the embodiment of irreproachable deeds to approach trajectory of life towards academic dimensions. Into the follow-up session, the distinguished presenter conducted interactive and robust discussions with the audience in the scope of theoretical frontier, characteristics in the discipline of international relations and reflections on correlated issues. Inherent with the ethos, Featured Lecture Series on “Meticulous Scholarship in Coherence with the Trajectory of Life” initiated in 2019 extend invitations for keynote presentations delivered by distinguished experts who have attained a prodigious number of exceptional academic accomplishments, outstanding professional ethics and meticulous scholarship in the domain of international studies with a sound impetus, striving to create an ultra-tier exchange platform to engender proactive inheritance of scrupulous research undertakings and facilitate the utmost acquisitions of comprehending multi-faceted essence in life. (Preceding English Paragraphs by Mao Xiaojun)