That's nothing. The script called for numerous pratfalls, and anyone who has ever read the original strips knows that the old fellow ends up tumbling to the ground-invariably in painfully outrageous fashion-quite often. To keep in character, Wang had to keep splaying himself on the sound stage to get the laughs.
看過「老夫子」漫畫的人都知道，老夫子的動作極大，常常有摔倒的時候；王沙為了逼真，動不動就把自己拋出去，摔個四腳朝天，惹人發笑。