Ojamashimasu directly means "Sorry for disturbing you"
"San" is similar to "Mrs", "Mr" but can be used for both men and women, and with either surname or given names.
A small plate for soy sauce is always provided
정(Jeong) meaning the country’s putatively real and unique form of social relational bonding, 답정너(Dab jeong neo) defined as a situation in which someone asks a question but has already decided the answer they want to hear.
Traditional Korean culture uses red to write the names of the dead therefore it's considered very unlucky and potentially life threatening
Use "Nin hao" instead, it is more polite.