(idiomatic) retort to questioning about a person by a stranger, when one does not want to confirm or deny knowing or being the person.

To understand one's rank or status and behave accordingly; to act humbly.

Synonym of know B from a battledore (“to know anything at all; to have the most basic common sense or intelligence”)

Alternative form of not know which way to turn

(set phrase) To understand completely.

(US, African-American Vernacular) Indicates complete agreement.

(rhetorical) Indicates strong agreement with a preceding statement.

Third-person singular simple present indicative form of know any better

present participle of know any better

Synonym of know better