to know; to realize; to be aware of; to understand a fact or situation

to not know; to be unaware of something; to not be clear about

knowledge; intellectual results of experience and study

to not know; to be unaware of or have no idea about

to inform; to contact someone or let them know about a matter

to find out about; to learn of; to be informed of

well-known; famous; noted

The legal rights protecting creative work and inventions in science, technology, literature, and art; includes copyrights, patents, and trademarks.

to inform; to notify; to let someone know

To know the facts of a case; to be aware of the internal situation or inside information.

not knowing anything at all; to be completely ignorant about something

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

An educated person, such as a teacher, engineer, or writer, who typically makes a living through mental labor; the intelligentsia.

the degree to which someone or something is known to the public; renown; reputation; profile

A person who perceives or understands things before others; a person of great insight

lack of knowledge or awareness

without realizing; unknowingly; (idiom) before one knows it

not yet known; not yet understood

as can be seen; clearly

The state of being aware of one's surroundings; physical sensation or the ability to feel.

it is widely known; as everyone knows; it is a matter of common knowledge

to be fully aware of something; to know clearly

An official written notice, advice note, or letter used to inform someone of a specific matter.

A very close or bosom friend who understands one's heart; someone with whom one shares a deep and mutual understanding

to be satisfied with one's situation; to be content with what one has

Already established or given; (math.) referring to a known quantity

to know; to be aware of; to understand

to feel; to detect; to be aware of something through the senses

one can easily imagine or infer; it stands to reason

to not know what to do; to be at one's wits' end or confused because of panic, embarrassment, or surprise

to know something thoroughly; to be fully aware of; to realize fully

innate sense of right and wrong; intuitive knowledge or wisdom that is born in a person rather than learned

to be well acquainted with; to know thoroughly; to have a deep understanding of

Only God or heaven knows; used to say that something is impossible to know, understand, or explain.

intimate; understanding; sharing a deep mutual connection of thoughts and feelings

to find out about something; to hear of an event or piece of news

Short for [[知识青年|知識青年|zhi1 shi5 qing1 nian2]]; specifically refers to the young people sent to live and work in rural areas during the Cultural Revolution.

to be unable to find out; to be beyond someone's knowledge

Used to express that someone unexpectedly does not know or did not realize a fact; little did one imagine; hardly realized.

To be unaware of the facts or the inside story of a situation.

not known by others; unknown to the public; kept secret

Young person who has received a formal education

to be well acquainted with each other; to understand one another deeply

an intimate friend who deeply understands and appreciates one; a kindred spirit

a number in an algebraic expression or equation whose value is not yet known; usually represented by a letter such as x or y

Important information or a notice listing things one must know before starting a task or activity; instructions; guidelines.

to know in advance; to anticipate; to foreknow

public figure; well-known person

to strive for knowledge; to search for understanding; to be eager to learn