How well does the teacher structure the lessons?
老师对课程组织安排得如何？
His success hinges on how well he does at the interview.
他能否成功要看他在面试中的表现。
How well do you know Carla?
你对卡拉有多了解？
How good is his professional skill?
他业务水平怎么样？
It's tough to quantify how good a person is at remembering.
量化一个人的'记忆能力有多好是十分困难的。