The Vietnamese word "sụp lạy" refers to a physical action where a person kneels down and bows deeply, often as a sign of deep respect, submission, or worship. It can be understood as "tumbling down in a genuflexion" or "kowtow," which emphasizes the act of lowering oneself in reverence.
While "sụp lạy" primarily conveys the idea of deep bowing and respect, in a more metaphorical sense, it can imply a lack of self-esteem or dignity when used to describe someone who is excessively submissive.