朝: morning...
低估: to underestimate, to underrate...
高涨: to surge up, to rise, (of tensions etc) to run high...
班长: class monitor, squad leader, team leader...
致命: fatal, mortal, deadly, to sacrifice one's life...
单词: word...
体现: to embody, to reflect, to incarnate...
感人: touching, moving...
促进: to promote (an idea or cause), to advance, boost...
私房钱: secret purse, secret stash of money...