noun🔗Shareスパイ行為, 諜報活動The act or process of learning secret information through clandestine means."The student's espionage of test answers led to their expulsion. "学生による試験の解答のスパイ行為は、退学につながった。politicsgovernmentmilitarypoliceactionwarstateorganizationprocesssocietylawworldnationChat with AIVocabulary GamePractice Reading