张明从不怀疑自己的能力,在众人面前无论说话、演讲或做什么事都是大大方方,上课时候积极回答问题;李伟对自己没有信心、充满疑虑和不确定,不敢在人前说话、表演或展示自己,在课堂上从不主动回答问题,有时老师点名要他回答时,他显得窘迫、退缩、慌乱,他不敢表现自己,因为担心“做不到别人那么好,会在同学们面前出丑”。两 Zhang Ming never doubted his ability to talk and give speech or do anything in front of people. They did not hesitate to answer questions in class. Li Wei did not have confidence in himself, he was full of doubts and uncertainties, and he was afraid to speak in front of people. , Performing or displaying himself, never taking the initiative to answer questions in the classroom, and sometimes when the teacher asked him to reply, he looked embarrassed, withdrawn, confused and he could not express himself because he was worried that “ Students in front of a foul ”. Two