A complacent person is very pleased with themselves or feels that they do not need to do anything about a situation, even though the situation may be uncertain or dangerous.
例句
We cannot afford to be complacent about our health.对于健康我们决不能掉以轻心。...the Chancellor's complacent attitude towards the far-right's activities.总理对极右分子活动表现出的不以为意
英汉词典释义
adj.
自满的, 自鸣得意的
The winner's complacent smile annoyed some people.胜利者洋洋自得的微笑使某些人深感厌恶。She was complacent about her achievements.她对自己的成绩沾沾自喜。
英英词典释义
Adjective
1. contented to a fault;
"he had become complacent after years of success""his self-satisfied dignity"