She won't be happy when she sees what you've done with your hair.
当她看到你将头发搞成这个样了了,就高兴不起来了。
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
On turning eagerly to the text, one learns that the lady was a typist who found the sound of office typewriters worried her more and more until eventually she had to go into a mental hospital.