1．温故知新：温习已学过的知识，获得新的理解和体会。现也用以指吸取历史经验，更好地认识现在。2．三人行，必有我师：几个人一起走路，其中一定有可以做我老师的。指随时随地学习别人的长处。3不耻下问：并不认为向学问不如自己或职位比自己低的人请教是丢脸的事。4．学而 1. To learn new things from time to time: review the knowledge you have learned and gain new understanding and experience. It is also used to refer to historical experience to better understand the present. 2. Three lines, there must be my teacher: a few people walk together, which must be my teacher. Means learning from others’ strengths anytime, anywhere. 3 Don’t be dissatisfied Asked: I don’t think it’s a shame to ask people who are not as good as oneself or a person whose position is lower than themselves. 4. Learn