这话反过来说就不一定对。

The converse of this statement may not be true.

反过来说，应该认识到掌握谜男方法需要时间。

Conversely, realize that mastering The Mystery Method takes time.

反过来说，如果你喜爱所从事的工作，那就好！

On the other hand, if you love the work you are doing, great!