“刻苦的”用英语怎么说

安妮-拜厄在普林斯顿大学的朋友们一向把她看作是典型的勤奋刻苦的好学生.Friends at Princeton University have always regarded Annie Byar as a typically accomplished student.不要让自我和贪婪妨碍清晰的思维和刻苦的工作.Don't let ego and greed inhibit clear thinking and hard wo...