foiling a plan 挫败计划
foiling an attempt 挫败尝试
foiling the plot 挫败阴谋
A: Did they manage to stop the hackers?
A：他们设法阻止了那些黑客吗？
B: Yes, their quick response was key in foiling the attack.
B：是的，他们的快速反应是挫败这次攻击的关键。
1) 挫败，阻止
2) 阻挠，使失败
1. 挫败，阻止
noun
1. The act of preventing something from happening or succeeding.
Synonym: thwarting, frustration