complacent

1. ADJ 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. 自滿的; 盲目樂(lè)觀的[表不滿]

We cannot afford to be complacent about our health. 我們對(duì)我們的健康自滿不起。