How well does the teacher structure the lessons?
老師對課程組織安排得如何？
His success hinges on how well he does at the interview.
他能否成功要看他在面試中的表現。
How well do you know Carla?
你對卡拉有多了解？
How good is his professional skill?
他業務水平怎么樣？
It's tough to quantify how good a person is at remembering.
量化一個人的記憶能力有多好是十分困難的。