(of a comedian) to seize on something sb has just said or done to make an ad lib joke

straight man (supporting role in comic dialogue 對口相聲|对口相声[dui4 kou3 xiang4 sheng1]); (of a straight man) to react with exasperation to the silliness of the funny man 逗哏[dou4 gen2]

funny man (lead role in comic dialogue 對口相聲|对口相声[dui4 kou3 xiang4 sheng1]); to joke; to play the fool; to provoke laughter