1. Throw a book at 教训，斥责
After his son failed the test again, the angry father threw a book at him.
当又一次听到儿子考试不及格后，生气的父亲狠狠地教训了他。
释义：直译为把书向某人扔去，引申为眼里教训，眼里斥责。
2. Throw mud at 诋毁，造谣中伤，泼脏水
All he's trying to do is to throw mud at my name.
他所作的事就是诋毁我的名誉。
疯狂联想：
mud：烂泥
throw mud at sb.：向某人身上、名字上扔泥巴，泼脏水。