姐就这脾氣
[jiĕ jiù zhè pí qì]
'Sister Has This Temperament' shows someone asserting their unique temperament. The person owns up to their quirks or temper without apologizing for it; it's a way of being genuine about one’s nature, which includes moods, responses, or reactions. Here, “sister” can imply a female asserting her attitude or could sometimes be used more generally by either gender in online contexts.