The word 对劲 is formed by figuratively merging the core concepts of its two characters: 对, which conveys the idea of being correct, aligned, or in agreement, and 劲, which signifies strength, energy, or spirit. Their combination creates a new, integrated meaning where the sense of proper alignment blends with a feeling of vigorous suitability, metaphorically describing a state where things feel rightly matched, harmoniously energetic, and intuitively correct, as if the inherent "force" of a situation or relationship is properly directed and in sync.