You've got to put your foot down and make him stop seeing her.
你得坚决制止他再见她。
《牛津词典》
2
When her foot became badly swollen during a campaign stop in New York, a blood clot was discovered behind her right knee and she was put on blood thinners.
在纽约州那一站时，她的脚肿得很厉害，结果发现右腿膝盖下面形成了一个血块，要使用血液稀释剂。
3
The best way I found to stop the cramp is to stand up, keep your foot flat, then push your ankle back and your knee forward.