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

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

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

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.

to not know what someone is driving at; describes speech or writing that is incoherent, muddled, or empty of meaning

to do something in the greatest secrecy; cloaked in extreme secrecy so that not even gods or ghosts would notice

To act recklessly or blindly without considering the danger or consequences of one's actions.

To have no sense of shame; to do something wrong or bad and still feel perfectly at ease without any sense of guilt

gone missing; to disappear without a trace; to be nowhere to be found

unable to differentiate good from bad; failing to recognize or appreciate someone's good intentions

To know everything; to be all-knowing or extremely well-informed.

to have no sense of shame; brazen

to have absolutely no idea what is going on; to be completely ignorant of the facts or the situation

To be completely unaware or have no idea about something.

(idiom) to not know the reason why something is the case; to not know the cause of a situation

To live in plenty or a happy situation without appreciating how fortunate one is; not to know when one is well off.

not to know where someone or something has gone; to vanish without a trace

literally "to not know light or heavy"; describes being unable to judge the importance or gravity of a situation, or being naive and acting without a sense of priorities

It is easy to recognize a person's face but difficult to understand their true character; do not trust people too easily. This idiom is often used with [[画虎画皮难画骨|画虎画皮难画骨|hua4 hu3 hua4 pi2 nan2 hua4 gu3]].

(idiom) to not know the limits; to behave without a sense of propriety or seriousness; to act or speak without knowing the gravity of a situation

not knowing whether to come or leave; lacking judgment regarding when to move forward or back

to eat but not enjoy or notice the taste of food, usually because one is deeply worried, anxious, or exhausted

To have lost consciousness or to be in a coma; literally meaning to be unaware of human affairs. affairs

countless; so numerous that one cannot tell how many there are

To know nothing about the beginning, middle, or end of a matter; to be completely ignorant about something. Often used in the phrase [[一问三不知|一問三不知|yi1 wen4 san1 bu4 zhi1]].

A saying meaning to know that something is the case without knowing why it is so; to understand the what but not the why.

without anyone noticing; done so secretly that neither people nor spirits are aware

The well-fed cannot understand the hunger of the starving; used to describe how people in comfortable situations often fail to empathize with the hardships and pain of those who are struggling.

unable to differentiate good from bad or serious from trivial; to be unable to recognize others' good intentions or the danger of a situation

not knowing where someone or something has gone; lost

to lack a sense of propriety or fitness; to not know one's place or the relative importance of things

to claim to have knowledge that one actually lacks; to pose as an expert when one is ignorant; to pretend to know when one does not know

(proverb) used to describe someone who is unaware of their own flaws or shortcomings; literally, a horse does not know how long its own face is

a person who does not manage a household would not be aware of how expensive it is to live; often used to remind someone to be less wasteful or more appreciative of resources

To ignore or forget lessons from history; specifically referring to the historical figures [[丁原|丁原|ding1 yuan2]] and [[董卓|董卓|dong3 zhuo2]] who were both betrayed by the same person

To be in a state of coma or total lack of awareness; unable to perceive one's surroundings.

somehow; for some unknown reason; not knowing why

to be arrogant and overestimate one's own importance or abilities

To be unaware of the inner workings or actual facts of a situation; naive; unwitting.

to make no sense; to be incomprehensible or nonsensical

to be reckless or extreme in one's actions; to act without considering the consequences; to not know when to stop

To not know how difficult it is to make a living; to lack personal experience of how hard a task or situation actually is.

indefatigable; untiring; not feeling or recognizing tiredness

unfeeling or numb; lacking physical or emotional sensation

(variant form) to not know the inside story or the details of a situation

If one does not know any better, one cannot be held responsible; one who acts in ignorance should not be blamed.

To have no perception or awareness of something; to not notice

to be insensitive to a situation; to lack judgment or sense of propriety; to not know when to stop or leave