例句-1:Joe and his wife certainly like to pinch pennies. They both have good jobs but they drive an old car, buy the cheapest clothes they can find, never go out to eat or see a movie. But one thing is sure - they'll have plenty of money when they retire.
例句-2:I'm afraid any one of my tires will go flat any time. My spare tire is bald and leaks air but I hope in a pinch it'll last long enough to let me get to the nearest gas station where I can get some help.
例句-3:Mr. Warren was out two months recovering from his operation. His assistant Katie Lee was asked to pinch-hit for him. She's very young, of course, but she did such a great job that we think she'll take over his office when he retires next year.