What the "duck hand "means

What the "duck hand "means what's the means? What is the means unbreakalbe what is the means What's the word means? What is the"love"means? At all times no matter what I do not open up Duck hand ,I ha At all times no matter what I do not open up Duck hand. At all times no matter what I do not open up Duck hand 用中文怎么 at all times no matter what I do not open up duck hand , wife At all times no matter what I do not open up Duck hand, [英语谜语]What is the difference between a duck?