- A foul fly ball.
- Yan Zhao doors of the three foul fly to recruit and give them access to the satisfaction survey is to ignore public opinion, and the desecration of public opinion is also a shameless.
- The chain has fallen foul of plants in the water.
- The ship ran a foul of the floating seaweed.
- He fall foul of his boss and lose his job.
- He made a great fortune by fair means or foul.