She's still giving the toughest English history exams
她仍用最艰深的英国史试题考学生
All are not friends that speak us fair.
向我们说好话的并不都是好朋友。
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.