enlarge upon 释义 详述：指对某个话题或观点进行详细阐述或解释。 例句 1·He often read the priest's old books and got him to explain and enlarge upon them. 他经常阅读神甫的旧书，请他解释并扩展。 2·I need not enlarge upon this matter. 我不必详细论说这件事。 3·She began to enlarge upon the subject. 她开始顺着话题说下去。