hard case
noun [ C usually singular ] mainly UK informal uk/ˌhɑːd ˈkeɪs/ us/ˌhɑːrd ˈkeɪs/ (also hard nut)
难对付的人；脾气暴躁的人
someone who is difficult to deal with and possibly angry and violent
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。