The profundity of this book is achieved with breathtaking lightness.这本书极为深入浅出。He pretended profundity by eye-beamings at people.他用神采奕奕的眼光看着人们，故作深沉。He lacked profundity and analytical precision.他缺乏深度和分析的精确性。...the profund...
我们重新上路了，步调更加从容。We set off again at a more sedate pace.他的动作舒缓而从容。His movements were gentle and deliberate.她的心态从容而自信。She was in a relaxed, confident mood....
I flunked math in second grade.我二年级时数学不及格。I'd like to thank the two professors who flunked her.我倒要谢谢那两位给她不及格的先生.You mustn't flunk others , or you will be flunked out.不能再出差错, 否则就得退学了.He flunked out (of college) ...