Be nice.
Meaning: This means to tell someone to behave in a pleasant, kind, or agreeable manner. It's like saying, Please behave in a way that makes others feel happy and comfortable.
Choice of Words: Be is a verb that means to exist or to have a certain quality. Nice means pleasant, kind, or agreeable. When you put them together, "Be nice" is a simple instruction asking someone to behave in a pleasant, kind, or agreeable manner.
Alternative Expressions
Related Expressions