a person who tends a doorhe generously tipped the porter for hailing a taxi
he generously tipped the porter for hailing a taxi
doorkeepers, doormen, gatekeepers, janitors
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。