삼가다

To refrain from doing something, usually out of respect or caution

청결

Cleanliness or hygiene; the state of being clean and sanitary

부득이하다

Inevitable or unavoidable; used when something had to be done for a justifiable reason

서운하다

To feel hurt or disappointed, especially due to unmet expectations or feelings of neglect

서먹하다

To feel awkward or uncomfortable around someone, especially if you're not close or had a falling out.