[N]开嘴撒娇音，气流要向鼻腔和头部上冲，舌身后缩。
Thank you.谢谢！
66. Everything is going fine.
万事如意。
67. Nothing special!
没什么特别的。
68. She looks angry.
她面有怒色。
最后我们来攻击美国发音的另外一个最大特点：疯狂卷舌头。
69. Whatever is worth doing at all is worth doing well.
只要有一点值得做的事情就值得好好做。
70. World War Two was worse than World War One.
二战比一战更残酷。
71. Chinese people had a hard time during the Second World War.
中国人民在二战中历尽磨难。
第四章：综合训练
我们有一系列简易行的手势(gesture sign)，使你迅速掌握美国英语发音的秘诀，迅速摆脱中国式英语的痕迹。
下面是综合训练，请同学们拿出你的激情和我们一起疯狂的做手势。
72. No pain, no gain.