In Korea, 'no' can be expressed in various ways depending on the region and level of formality. In Seoul, where most tourists visit, 'no' is often simply , (e), pronounced as a flat 'n'. However, if you want to show more respect or politeness, you can use . This phrase is more formal and is often used in situations like refusing food or drink. In other regions of Korea, such as the countryside or rural areas, the word for 'no' might be slightly different. For example, in some parts of the countryside, people may say , (yo), pronounced as a soft 'yo'. It's always a good idea to learn a few basic phrases in Korean before your trip to show respect and appreciation for the culture.