处于

chǔ yú

to be in (some state, position, or condition)

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

我四处看看

wǒ sì chù kàn kan

I look around

我处理问题。

wǒ chǔ lǐ wèn tí。

I deal with problems.

她爬上高处。

tā pá shàng gāo chù。

She climbed to a high place.