You can catch flies (disgusting guys) with honey (some girl), but you catch more honeys (many girls) being a fly (bad boy).
一个女孩会吸引许多讨厌的家伙,但是一个坏小子可以钩进更多美女。
他是说自己是风流的坏小子:男人不坏,女人不爱!明白?