?碰壁
... run into a brick wall 碰壁 see through a brick wall 眼光锐利(明察秋毫)... bang one's head against a brick wall 白费力气, 徒劳无益...
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。