"buy"后面接双宾语的例句如下：
1. I advise you not to buy her anything.
2. Buy it if you like it!
3. You should buy her some flowers.
4. My uncle bought me an English dictionary.
5. She bought me a pair of shoes.
在这些例句中，"buy"后面直接跟了两个宾语，第一个宾语是间接宾语，表示动作的受益者，第二个宾语是直接宾语，表示动作的接受者。当要表达“给某人买某物”时，常用介词"for"来连接间接宾语和直接宾语，例如："My uncle bought me an English dictionary."（我叔叔给我买了一本英语词典）。
