to put a person through his catechismhỏi vặn: Cross-examine, cross-question (for exhaustive information or to embarrass the person)Hỏi vặn hỏi vẹonhư hỏi vặn (ý mạnh hơn)sự hỏi vặn: elencticvặn hỏi: verbto grill, to question