“洋洋得意”常见的英文表达有 “complacently self-satisfied”、“be full of complacency” 或 “smugly pleased with oneself”，以下为你展开介绍：
含义：直接传达出一种自满、自我陶醉且带有沾沾自喜意味的状态，与“洋洋得意”中那种因成功或优势而自我满足的神情较为契合。
例句：After winning the small competition, he walked around complacently self-satisfied, ignoring the efforts of others.（在赢得那场小型比赛后，他到处洋洋得意地走着，完全忽视了别人的努力。）
含义：强调内心充满自满的情绪，侧重于描述一种心理状态，比较贴合“洋洋得意”所表达的内心自我满足感。
例句：Since he got the promotion, he has been full of complacency and no longer works as hard as before.（自从他升职后，就一直洋洋得意，不再像以前那样努力工作了。）
含义：“smugly”有自鸣得意、沾沾自喜的意思，“pleased with oneself”表示自我满意，整体表达出一种自我陶醉、得意忘形的神态。
例句：She looked smugly pleased with herself when she knew she had scored higher than her classmates.（当她知道自己比同学分数高时，脸上露出了洋洋得意的神情。）