iceberg
n.冰山
The reported cases of SARS were only the tip of the iceberg, showing how bad the situation was in that area.
该区所通报出来的严重急性呼吸道综合症（非典型性肺炎）病例只是冰山一角，这显示出该区状况有多糟。
crush
n.迷恋 vt.挤压
John has a crush on the beautiful girl who was interviewed on the news today.
约翰迷恋今天新闻受访的漂亮美眉。
The car crushed the bike in the accident.
这起车祸中，车子把脚踏车压扁广。
clash
n. vi.冲突
A clash between the union and the administration led to the fight.
工会与行政部门的冲突酿成打斗场面。
People with different opinions clashed with each other during the strike.
罢工期间，意见相左的人彼此发生冲突。
promising
a.有为的，有前途的
Jennifer is a promising young girl. I'm sure she will be a success someday.
珍妮佛是个年轻有为的女孩。我确信她将来会成功。
collapse
vi. n.崩塌
Over 50 houses collapsed in the earthquake
至少有50栋房子在地震中倒塌。
The collapse of the world's tallest building was a shock to everyone.
世界最高的建筑物倒塌，让大家很震惊。
strive
vi.力争，奋斗
The coach encouraged his team to strive to win the championship.=The coach encouraged his team to strive for the championship.
教练鼓励他的球队要努力争取冠军。
artificial
a.人造的；虚伪的，不自然的
Some artificial flowers are made of paper.
有些人造花是用纸做的。
The official welcomed me with an artificial smile.
这位官员带着不自然的微笑欢迎我。
genius
n.天分（不可数）；天才（可数）
Genius is one percent inspiration and ninety-nine percent perspiration.
天才是百分之一的灵感加上百分之九十九的汗水。——爱迪生名言
Mozart was a musical genius.=Mozart had a talent for music.=Mozart was talented in music.
莫扎特是音乐天才。
oral
a.口语的
Our language teacher gave us an oral test instead of a written one.
我们语言老师考我们口试而非笔试。
midnight
n.午夜
An earthquake happened at midnight last night.
昨晚午夜发生地震。