出处:按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第292页(231字)
自以为聪明而逞能,例行事之前应先听取前辈、师长的意见,不可自作聪明,自以为是。
Before starting out on a job,it is best to get the opinion of your teachers and elders.Do not try to be smart as if you know all the answers.