发觉

huǒ pū miè le hòu tā cái fā jué zì jǐ shòu shāng le

火扑灭了后，他才发觉自己受伤了。

He did not realize he was injured until after the fire had been extinguished.

nǐ rú hé fā jué zhè shì de

你如何发觉这事的？

How did you come to know it?

tā tū rán fā jué shēn hòu yǒu jiǎo bù shēng

她突然发觉身后有脚步声。

Presently she became aware of footsteps after her.

tā fā jué yǒu rén zài gēn zōng tā

他发觉有人在跟踪他。

He discovered that he was being followed.

tā mái tóu dú shū yǒu rén jìn lai tā dōu méi fā jué

他埋头读书，有人进来他都没发觉。

He was so absorbed in reading that he was not aware someone had come in.

wǒ fā jué tā zài sā huǎng

我发觉她在撒谎。

I found that she was lying.