serious

• 形容某事重要、严肃或需要认真对待；也指人的态度不轻浮、不随便。

Describes something that is important, grave, or requiring careful thought; not lighthearted or trivial.

1. Important or requiring thoughtA2formal

   Needing careful consideration or attention; not trivial.

   严肃的

   • This is a serious matter that needs to be discussed.
   • She gave a serious speech about climate change.
   • We need to have a serious conversation about your future.

   同义词consequentialconsiderablecriticalgraveimportantmomentouspressingsignificanturgentweighty

   反义词frivolousinsignificantminorsuperficialtrivialunimportant

2. Not joking or playfulA2formal

   Showing a lack of humor; earnest and sincere.

   严肃

   • He looked serious when he gave the news.
   • Are you serious about quitting your job?
   • She has a serious expression on her face.

   同义词earnestgravehumorlesssinceresobersolemnsternunsmiling

   反义词facetiousflippantfrivolousfunnyhumorousjokingplayfulwaggish

3. Severe or dangerousB1formal

   Having potentially harmful or grave consequences.

   严重的

   • He suffered a serious injury in the accident.
   • The storm caused serious damage to the town.
   • This is a serious illness that requires immediate treatment.

   同义词acuteconsequentialcriticaldangerousdiregravemomentoussevereurgent

   反义词harmlessinsignificantminornegligibleslighttrivial

4. Significant in amount or degreeB1informal

   Large in size, amount, or extent.

   重大的

   • They made a serious amount of money from the deal.
   • There is a serious lack of resources in the area.
   • She has a serious talent for painting.

   同义词appreciablebigconsiderablelargemarkedsignificantsizeablesubstantial

   反义词insignificantminornegligibleslighttrivial