几代相传都只有一个儿子to have only one male heir for several generations in a row
三世单传
youngest of three consecutive generations of single male heirs
一个师傅所传授to pass on a skill through one single master without influence from other schools
汉译英翻译词典收录86165条汉英翻译词条，基本涵盖了全部常用中文字词的英语拼写、翻译、音标、读音、用法、例句等，是英语学习的有利工具。