猖狂: savage, furious...
留学生: student studying abroad, (foreign) exchange student...
精益求精: to perfect sth that is already outstanding (idiom); constantly improving...
压抑: to constrain or repress emotions, oppressive, stifling, depressing, repression...
错: mistake, wrong...
起来: (after a verb) indicating the beginning and continuation of an action or a state, indicating an upward movement (e.g. after...
悲哀: grieved, sorrowful...
顶多: at most, at best...
友善: friendly...
敢于: to have the courage to do sth, to dare to, bold in...
