例句-1: "I don't know what to do about my father. He has an awful cough from smoking and he's tried to stop a dozen times. But after a couple of weeks, he backslides and starts puffing away again."
例句-2: "I know I'm 20 pounds overweight, and I keep trying to diet. But I'm a terrible backslider. I'll lose a couple of pounds and then walk by an ice cream shop and go in and eat a quart of the stuff."
例句-3: "Mr. Green keeps getting elected because he tries to shake hands with every voter in his district at election time. He backslaps all the men and he kisses every baby he sees and tells the mother it's the most beautiful baby he's even seen."
例句-4: "Be careful of that big, loud guy over there. He's a real backslapper if he thinks you're important, but if he finds out you're not a bigshot, he won't even bother to say hello to you."