/ˌæntɪˈθɛtɪkəl/
the opposite of sth 对立（面）；对照
Love is the antithesis of selfishness.
爱是自私的对立面。
Students finishing their education at 16 is the very antithesis of what society needs.
16 岁停止学业的学生恰恰无法满足社会的需要。
a contrast between two things （二者间的）对比，对照
There is an antithesis between the needs of the state and the needs of the people.
政府的需要和人民的需要这二者存在着对立。