位于

wèi yú

to be located at, to be situated at, to lie

于是站起来

yú shì zhàn qi lai

So stand up

于是我吻了她

yú shì wǒ wěn le tā

So i kissed her

于是我吻了他

yú shì wǒ wěn le tā

So i kissed him

于是我开始数

yú shì wǒ kāi shǐ shǔ

So I started to count

这本书是关于树

zhè běn shū shì guān yú shù

This book is about trees

她于晚上八点回家。

tā yú wǎn shang bā diǎn huí jiā。

She comes home at eight o'clock in the evening.

我终于通过了考试

wǒ zhōng yú tōng guò lè kǎo shì

finally I passed the exam

那位护士很专业。

nuó wèi hù shi hěn zhuān yè。

That nurse is very professional.

各位家长，请签字。

gè wèi jiā zhǎng， qǐng qiān zì。

Parents, please sign.

各位同学，请安静。

gè wèi tóng xué， qǐng ān jìng。

Dear students, please be quiet.