not a penny worth

例句：

1. 1.I've spent all my money on this car, and it's not a penny worth.
   我把所有的钱都花在了这辆车上，它一点也不值得。
2. 2.The old painting is worthless, not a penny worth.
   那幅旧画毫无价值，不值得一提。
3. 3. He gave up hope that his invention would be a penny worth.
   他放弃了希望，认为他的发明毫无价值。