Ronald Cheng is praised for good "oral skills"

Ronald Cheng (鄭中基) and Mark Wu (胡耀輝) in new movie Undercover Duet (猛龍特囧) have many hilarious scenes. In one of the scenes, Ronald had to use his mouth to feed Mark medicine by aligning with Mark's mouth and spitting the medicine in from mid-air. Ronald smilingly said the scene was like a wuxia film, he said: "In wuxia films, there are many scenes when friends get poisoned and faint and then you