视频对话：
You don't sound well.
听声音，你不太好啊。
And you sound frustrated.
听声音，你很沮丧。
It'll pass. It always does.
会过去的。一贯如此。
本期学习词汇：
frustrate
vt.挫败；阻挠；使受挫折
adj.无益的，无效的
例句：
1. These questions frustrated me.
这些问题让我沮丧。
2. Doesn't it frustrate you that audiences in the theatre are so restricted?
观众在剧场里要受到如此多的限制，这难道不令人恼火吗？
3. Roberta felt frustrated and angry.
罗伯塔既灰心又生气。
4. The government has deliberately frustrated his efforts to gain work permits for his foreign staff.
政府故意阻挠他为自己的外籍员工申请工作许可证的努力。
5. Not frustrated people do not know life.
未曾失意的人不懂人生。