美[d?d] 1 . He replaced a dud valve.
他換掉了壞閥門。
來自柯林斯例句
2 . The mine was a dud .
礦井廢棄了。
來自柯林斯例句
3 . The new manager is a complete dud .
新經理完全是個廢物.
來自辭典例句
4 . A fiery ball shot up over the rooftops, where it disappeared in mid - air -- a dud .
他聽見一聲響,一個發光的東西直往天上沖, 沖過了屋頂在 半空 中不見了.
來自漢英文學 - 家（1-26） - 家（1-26）
5 . The meeting was a dud as far as new business was concerned.
從新業務的角度來看,這次會議毫無收獲.
來自互聯網
1.someone who is unsuccessful
2.an explosion that fails to occur
3.an event that fails badly or is totally ineffectual;
the first experiment was a real turkey
4.failing to detonate; especially not charged with an active explosive;
he stepped on a dud mine
