风貌: style, manner, ethos...
斯文: refined, educate, cultured, intellectual, polite, gentle...
按时: on time, before deadline, on schedule...
课题: task, problem, issue...
转机: (to take) a turn for the better, to change planes...
土豆: potato...
盛气凌人: overbearing, arrogant bully...
墙: wall...