To be arrogant and conceited; to be stuck-up and look down on others.
她最近升职后就有些鼻孔朝天，对同事的态度也变得很傲慢。
After her recent promotion, she became a bit arrogant, and her attitude towards colleagues grew very haughty.
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To be arrogant and conceited; to be stuck-up and look down on others.