1 bad or dangerous 严重的;危险的:
a serious accident/illness/offence严重的意外╱疾病╱罪行Pollution is a very serious problem.污染是很严重的问题。Her condition is serious and she's likely to be in hospital for some time.她病得很重,可能要在医院里待一些时候。
2 needing to be treated as important, not just for fun 严肃的;认真的:
Don't laugh, it's a serious matter.不要笑,这是严肃的事情。a serious discussion认真的讨论
3serious (about sth/about doing sth) (used about a person) not joking; thinking about things in a careful and sensible way (指人)正经的,严肃的:
Are you serious about starting your own business (= are you really going to do it)?你真的要创立自己的生意吗?He's terribly serious. I don't think I've ever seen him laugh.他严肃极了,我从来没有见过他笑。You're looking very serious. Was it bad news?你看来满怀心事,是不是有什么坏消息? ➔seriousnessnoun [U]
serious/ˋsIrIəs; ˈsIəriəs/adj 1 a serious problem, situation etc is very bad and worrying 严重的﹐重大的: Drugs are a serious problem here. 毒品是这里的一个严重问题。The damage was not serious. 损坏并不严重。serious illness/injury/accident etc 重病/重伤/重大事故等2 be serious to really mean something that you say, and not be joking or pretending 是认真的﹐并非开玩笑: Are you serious about becoming a model? 你想当模特儿是认真的吗?3 something that is serious is important and should not be laughed at 重要的﹐严肃的: Be quiet. This is serious. 请安静﹐这事很重要。Bullying is a serious matter . 欺凌霸道是很严重的事情。serious thought/discussion etc We need to have a serious talk about your future. 我们该严肃地谈一谈你的将来了。4 a serious person is always quiet and sensible and does not often laugh〔人〕严肃的﹐庄重的—seriousness n [U]
seriousadjective1very bad: That was a serious mistake. They had a serious accident.2important: a serious decision3not funny: a serious film4If you are serious, you are not joking or playing: Are you serious about going to live in Spain? You look very serious. Is something wrong?▶ seriousnessnoun (no plural): The boy didn't understand the seriousness of his crime.