You can describe someone as lively when they behave in an enthusiastic and cheerful way.
例句
She had a sweet, lively personality...她的性格可爱活泼。Josephine was bright, lively and cheerful.约瑟芬聪明、活泼、开朗。
ADJ-GRADED
(事件、讨论等)热闹的,热烈的,激烈的
A lively event or a lively discussion, for example, has lots of interesting and exciting things happening or being said in it.
例句
It turned out to be a very interesting session with a lively debate...结果这成了一场非常有意思的、气氛热烈的辩论会。Their 4-1 win in Honduras was a particularly lively affair.他们在洪都拉斯以4比1获胜的那场比赛尤其激动人心。
ADJ-GRADED
才思敏捷的;思维活跃的;兴趣广泛的
Someone who has a lively mind is intelligent and interested in a lot of different things.
例句
She was a very well educated girl with a lively mind, a girl with ambition.她是个受过良好教育、思维敏捷、抱负远大的女孩子。...her very lively imagination.她那活跃奔放的想象力
ADJ-GRADED
(感觉或意识)炽热的,强烈的
A lively feeling or awareness is a strong or enthusiastic one.
例句
The papers also show a lively interest in European developments.论文对欧洲的动向亦表现出浓厚的兴趣。
英英词典释义
Noun
1. general activity and motion
2. animation and energy in action or expression;
"it was a heavy play and the actors tried in vain to give life to it"