mid-15c., "pleasure," from Medieval Latin complacentia "satisfaction, pleasure," from Latin complacentem (nominative complacens), present participle of complacere "to be very pleasing," from com-, intensive prefix (see com-), + placere "to please" (see please). Sense of "pleased with oneself" is 18c.
双语例句
1. When Tom's companions drank to the Hans en Kelderr, or Jack in the low cellar , he could not help displaying an extraordinary complacence of countenance.
当同事们举杯向他祝贺那未出世的孩子时, 汤姆不禁露出一种异常得意的神情.
来自《简明英汉词典》
2. For users , usage and complacence should be keep on .
使用者方面，使用统计及满意度调查应能持续进行。
来自辞典例句
3. She had truly a great complacence for her brother.
