1. 瞎自夸的：bumpkin 土包子 | bumptious 瞎自夸的 | bumpy 颠簸的
2. 瞎自大的：bumpkincarlcarlechuffcountrymanhickhodgeredneckrubevillagers 乡下人 | bumptious 瞎自大的 | bumptious 瞎自夸的
3. 盲目自夸的, 盲目自大的, 傲慢的：bumpkin || 土包子, 乡巴佬 | bumptious || 盲目自夸的, 盲目自大的, 傲慢的 | bumpy air || 颠簸空气
4. 瞎自夸的/瞎自大的/傲慢的：bumpkin /土包子/乡下人/ | bumptious /瞎自夸的/瞎自大的/傲慢的/ | bumpy /崎岖不平/
1. 自以为是的；傲慢的
If you say that someone is bumptious, you are criticizing them because they are very pleased with themselves and their opinions.
e.g. ...a bumptious bureaucrat.
一个傲慢的官僚主义者