3. correlate (with): with another, the facts are closely connected and affect or depend on each other
4. immovable: ko thẩy lay chuyển được (trong suy nghĩ, ý định)
8. pig-headed: cứng đầu
9. well-intentioned: intending to be helpful or useful but not always succeeding very well
10. malpractice: hành vi phi pháp