dud
/ˈdʌd/
American
- n. 衣服, 哑弹, 无用物
- adj. 无用的, 失灵的
- Definition
- n. clothes, or something, especially a bomb, that fails to work
- adj. not working or useless
- Example
- The firework turned out to be a dud and never exploded.
- 这个烟花是个哑炮，一直没有炸开。