serious
/'siәriәs/
中考高考四级六级考研托福雅思牛津3000最常用词汇
BNC词频: #807
当代词频: #755
中文释义
a. 严肃的, 认真的, 重要的, 严重的
[电] 严重的
英文释义
a. concerned with work or important matters rather than play or trivialities
s. of great consequence
s. requiring effort or concentration; complex and not easy to answer or solve