faulty

adj.有过失的,有缺点的,不完美的,不完善的

有缺陷的；有错误的

形容词

1、The faulty wiring in the old building caused the fire.
这栋旧建筑中的有缺陷的电线引起了火灾。

2、His faulty logic led him to the wrong conclusion.
他错误的逻辑导致他得出了错误的结论。

3、The faulty product was recalled by the manufacturer.
有缺陷的产品被制造商召回了。