Translation guide
Expressing the process of noticing, realizing, or becoming conscious of something. Japanese uses different verbs and constructions depending on whether the awareness is sudden, gradual, sensory, or intellectual.
To express that you have become aware of a fact, situation, or truth, often suddenly or after some thought.
The most common and versatile verb for 'notice' or 'realize'. It can be used for both sudden realizations and gradual awareness.
I noticed the mistake.
I didn't realize he was lying.
Synonymous with 気づく, but slightly more formal or emphatic. Often used in written language.
At that moment, I realized I had forgotten something important.
To realize a deeper truth or become enlightened about something. Often used in spiritual or philosophical contexts, or when someone sees through a hidden meaning.
He realized his fate.
To express becoming aware of something through your senses, or regaining consciousness.
Also used for sensory awareness, like noticing a sound, smell, or presence.
I became aware that someone was behind me.
Specifically means 'to regain consciousness' after fainting or being knocked out.
Literally 'to wake up', but can metaphorically mean becoming aware of something important or a new reality.
To express that you have become alert to a potential issue or threat.
To express a slow dawning of awareness or understanding over time.
Attach to the potential form of a verb to indicate reaching a state where one can do something, often implying gradual awareness. For 'become aware', use with わかる or 気づく.
I gradually came to understand.
I became aware of his true feelings.
To become self-aware or conscious of one's own situation, abilities, or responsibilities. Often used for personal realizations.
He is aware of his own weakness.
Both mean 'notice' or 'realize' and are often interchangeable. 気づく is more common in speech, while 気がつく can sound slightly more formal or emphatic. In many cases, 気づく is the safer choice.
I noticed I had left something behind.
I realized I had left something behind.
知る (しる) means 'to know' and is not used for the moment of becoming aware. Use 気づく or other verbs to express the process of noticing or realizing.
I suddenly became aware that someone was watching me.
She became aware of the importance of health after getting sick.
He regained consciousness after a few minutes.
He awoke to the truth.
問題に早く気づいてよかった。
It's good that I became aware of the problem early.