本文介绍了多种表达“我要罚他”的英语说法，包括基本表达“I’m going to punish him”，轻松幽默的“I’m gonna give him a taste of his own medicine”，正式场合的“I will impose a penalty on him”，生活中的“I’m going to make him do extra chores”，朋友间的玩笑“I’ll get him back for that”，更加严厉的“I’m going to teach him a lesson”，以及创意表达“I’m going to put him in the doghouse”。这些表达适用于不同的情境，有助于留学生在日常生活中更好地沟通和解决问题。