New words：
discourage [dis'kʌridʒ] v.阻止；劝阻；使泄气；使灰心；阻拦；使丧失信心
Sample Sentences：
She was discouraged by setbacks.
The rain discouraged us from going out.
I was never discouraged against learning English.
He is easily discouraged by difficulties and obstacles.
setback ['setbæk] n. 挫折；阻碍
obstacle ['ɔbstəkl] n. 障碍；障碍物；阻碍；绊脚石
New words：
after all 毕竟；终究
Sample Sentences：
Don' t get discouraged, you are new to the work after all.After all, 15 minutes of exercise is better than nothing.
Don't blame him for breaking that vase; he is a child after all.
discourage [dis'kʌridʒ] v.阻止；劝阻；使泄气；使灰心；阻拦；使丧失信心
New words：
region ['ri:dʒən] n. 地区；区域；行政区
Sample Sentences：
No new SARS cases have been reported in the region.
Most of the countries in the region have unstable economies.
I guess there are much less people in the Arctic regions than here.
unstable ['ʌn'steibl] adj.不稳定的；易变的
New words：
scratch [skrætʃ]
v.划伤；挠；划破；刮坏
n.划伤；搔痒；刮（或擦、抓）的刺耳声；挠痒
Sample Sentences：
He pretended to scratch his ear.
His arms were scratched by thorns.
The cat scratched a hole in the ground.
He scratched his name on the wall with a knife.
He fell into a thorn bush and was covered with scratches.
New words：
snap fingers 弹指;打响指
Sample Sentences：
He snapped a finger at the wine waiter.
Don't snap your fingers to get our attention.