约翰经经受了各式各样的检验，回答了许许多多令人头痛的问题。

约翰经经受了各式各样的检验，回答了许许多多令人头痛的问题。的英文翻译

基本释义

• John had been put through an immense variety of paces, and had answered volumes of head-breaking questions.