yóu
by
The Chinese character '由' has similar uses to the English word 'by'. It can be used to represent the action performed by the subject, similar to how 'by' is used in passive sentences. Note that '由' can also have other interpretations depending on the context in which it is used.
Zhè zhī bǐ shì yóu wǒ bàba gěi wǒ mǎi de.
This pen was bought for me by my father.
In this sentence, '由' is used to indicate the doer of the action, the one who bought the pen.
Zhège xiàngmù yóu tā fùzé.
He is responsible for this project.
In this sentence, '由' is used to designate the person in charge of a task or project.
Diànnǎo shì yóu guī zhì chéng de.
Computers are made out of silicon.
In this sentence, '由' is used to specify the material used to make something.
Zhè bù diànyǐng shì yóu zhùmíng dǎoyǎn dǎoyǎn de.
The movie was directed by a famous director.
In this sentence, '由' is used to indicate the person who performed an action.
Zhège juédìng yóu wǒmen liǎng gèrén juédìng.
This decision is up to the two of us.
In this sentence, '由' indicates who has the power or right to make a decision.
Zhèxiē wánjù shì yóu sùliào zhìzào de.
These toys are made of plastic.
In this sentence, '由' is used to specify the material used to make something.
Zhège wèntí yóu nǐ jiějué.
This problem is for you to solve.
In this sentence, '由' indicates who is expected to handle or deal with a task.
Wǒmen yóu zhèlǐ chūfā.
We set off from here.
In this sentence, '由' is used to state the starting point of a movement.
Zhège jiémù yóu tā zhǔchí.
He hosts this program.
In this sentence, '由' denotes who is the person in charge or leader
Zhège juédìng yóu nǐ lái zuò.
The decision is yours to make.
In this sentence, '由' determines who has the authority or authorization to do something.