to have knowledge of or be familiar with information

information, facts, or skills acquired through experience or education

to not know or be unaware of a fact or situation

to inform someone of something or give official notice

to find out, learn of, or be informed of something

well-known; famous

intellectual property rights

to inform

to be aware of the facts or circumstances of a situation; to have inside information

to know nothing at all; to be completely ignorant

the mental process of acquiring knowledge and understanding through thought, experience, and the senses

intellectual; intelligentsia

The extent to which someone or something is known or recognized by the public.

a person regarded as an inspired teacher or proclaimer of the will of God in a religious context

lacking knowledge, awareness, or education; the state of being uninformed

(idiom) unconsciously; unwittingly

clearly showing that; as can be seen; no wonder

the state of being aware of one's surroundings or physical sensations

as everyone knows; as is known to all

to be fully aware of; to know perfectly well

written notice

an intimate or bosom friend who understands one deeply

to be satisfied with one's current situation or what one has; knowing contentment

known (to science)

to know, be aware of, or find out about something

The process or faculty of perceiving something through the senses

it can well be imagined; it goes without saying

not knowing what to do or being at one's wits' end when facing a sudden or difficult situation

to know well; to be fully aware of

innate sense of right and wrong

to be well acquainted with

sharing one's innermost thoughts and feelings; describing a close and trusted relationship or person

to learn of, hear about, or find out information regarding an event or situation

educated youth (especially those sent to work in rural areas during the Cultural Revolution)

impossible to know or find out for certain

little did one imagine; unaware that (often used to introduce a surprising or contrary fact)

not known to others or the general public; obscure or unrecognized

young people with a formal education or young intellectuals

an intimate friend who deeply understands one's thoughts and feelings

a variable or quantity whose value is not yet determined in a mathematical equation

key information, notice, or mandatory instructions

to know or realize something before it happens

a person who is widely known or famous; a public figure

to pursue or be eager for knowledge and learning

rarely known to anyone; almost unknown or secret to all but a few

satisfied with what one has (idiom)

prefectural magistrate (from the Tang to Qing dynasties)

any of several small songbirds with a reddish breast, such as the European or American robin