Here are some examples of how "mianhae" can be used:
* "Mianhae, I'm late." (미안해, 늦었어.)
* "Mianhae, I forgot to call you back." (미안해, 전화 다시 못했어.)
* "Mianhae, I made a mistake." (미안해, 실수했어.)
* "Mianhae, I hurt your feelings." (미안해, 네 마음 상하게 했어.)
It is important to note that the level of formality in "mianhae" can vary depending on the context and your relationship with the person you are speaking to.
* For someone older or of higher status, you might use a more formal expression like "죄송합니다" (joesonghamnida).
* For someone younger or of equal status, "mianhae" is perfectly acceptable.
Remember, "mianhae" is a powerful expression that can be used to convey regret and show respect for others.