The so-called "irony" means that the positive expression in the original text is transformed into negative expression in the target language; Or: negative expression in the original text, positive expression in the translation. But there is something wrong with your example "1". Without peace and stability, there will be no development in this region. ”。 It should be:

1. Without peace and stability, there will be no development in this region.

Without peace and stability, there will be no development in this region. Or "without peace and stability, there will be no development."

He is a hypocrite.

If he is not a hypocrite, then he is nothing. If he had not been a hypocrite, the sun would have risen in the west. ("The sun rises in the west" = Nothing-"Nothing!" )

On the contrary: "He is a complete hypocrite." Or "He is a complete hypocrite."