忽高忽低: low and high...
答辩: to reply (to an accusation), to defend one's dissertation...
没完没了: without end, incessantly, on and on...
退役: to retire from the military, sport etc, to demobilize, to decommission, retired from use...
起: batch, group...
冷漠: cold and detached towards sb, lack of regard, indifference, neglect...
阅读: to read, reading...
拯救: to save, to rescue...
总部: general headquarters...
季节: time, season, period...
