n.缺点；缺陷
vi.背叛
If it were not for this defect, I shall hire him at once. 如果不是因为这个缺点，我会马上雇用他。
The new car had to be withdrawn from the market because of a mechanical defect. 那种新汽车因有机械缺陷只好撤出市场。
We thought that his troops might defect. 我们认为他的部队会叛变。
