青出於藍,而勝於藍 [ㄑㄧㄥ ㄔㄨ ㄩˊ ㄌㄢˊ , ㄦˊ ㄕㄥˋ ㄩˊ ㄌㄢˊ; qing1 chu1 yu2 lan2 , er2 sheng4 yu2 lan2] lit. the color blue is made out of indigo but is more vivid than indigo (idiom) fig. the student becomes superior to the master ◄ ►