serious 'siәriәs
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
BNC词频排名: 807 | 当代语料库词频排名: 755