1. Kick one's ass 收拾某人，揍某人
Don't mess with me unless you want me to kick your ass. 别惹我，小心我揍你！
释义：直译是跟某人的屁股。
2. Kick oneself 自责
It's not your fault and you don't have to kick yourself so much. 这不是你的错，你不必太自责。
释义：直译是自己踢打自己，引申为自责。