意识

tā duì zhè gè wèn tí méi yǒu yì shí.

He is not aware of this problem.

In this sentence, '意识' means 'awareness', stating that the person is not cognizant or aware of the problem in question.

wǒ tū rán yì shí dào tā de zhēn shí dòng jī.

I suddenly realized his true motive.

'意识到' is a phrase meaning 'realize'. In this context, it is expressing somebody suddenly understanding another's motive.

tā kāi shǐ yì shí dào zì jǐ de cuò wù.

He began to realize his own mistakes.

In this example, '意识到' means 'realize', it suggests that he has started understanding or becoming aware of his mistakes.

tā de yì shí mó hú bù qīng.

His consciousness is unclear.

In this context, '意识' refers to 'consciousness', the sentence describes a state of confusion or ambiguity in someone's consciousness.

tā hūn mí zhōng shī qù le yì shí.

He lost consciousness in his coma.

'意识' is used in this sentence to indicate 'consciousness'. The subject has lost consciousness due to being in a coma.

tā de yì shí huán zài, dàn wú fǎ shuō huà.

She is still conscious, but unable to speak.

Here '意识' is used to mean 'conscious', indicating that while she is aware, she cannot communicate verbally.

wǒ tū rán yì shí dào shí jiān yǐ jīng hěn wǎn le.

I suddenly realized that it was already very late.

In this example, '意识到' means 'realize'. It is used to express a sudden comprehension of how late the time was.

tā shī qù le duì xiàn shí de yì shí.

He lost his sense of reality.

In this context, '意识' refers to 'sense', stating that someone has lost their perception or understanding of reality.

wǒ men bì xū tí gāo gōng gòng wèi shēng yì shí.

We must raise public health awareness.

'意识' in this context means 'awareness'. The sentence suggests that there needs to be an increase in the understanding or knowledge about public health.

wǒ men xū yào tí gāo huán bǎo yì shí.

We need to raise environmental awareness.

Here, '意识' refers to 'awareness', the sentence suggests an increase in awareness about environmental issues or protection.