"something for nothing" 的意思是 不劳而获或 轻易得来的利益。这个短语描述的是获得某物或某种好处而没有付出相应的努力或代价。例如：

1. He always wants something for nothing.

2. Some people will never learn that you can't get something for nothing.

3. The urge to get something for nothing is likely to keep the pirates in business for some time to come.