Meaning of hūn:
昏
muddle-headed; old variant of 昏[hun1]
Tā zǎoshang qǐchuáng hòu gǎnjué hěn hūn.
他早上起床后感觉很昏。
He felt very muddle-headed after getting up in the morning.
Tiān kuài yào biàn hūn le, wǒmen yīnggāi huíjiā le.
天快要变昏了,我们应该回家了。
It's getting dark soon, we should head home.
twilight
Zài měilì de hūn huáng shíkè, tiānkōng biàn chéng le zǐsè.
在美丽的昏黄时刻,天空变成了紫色。
In the beautiful moment of twilight, the sky turned purple.
to faint; to lose consciousness
Tā túrán juédé tóu yūn, chàdiǎn hūn dǎo.
他突然觉得头晕,差点昏倒。
He suddenly felt dizzy and almost fainted.
Tā yīnwèi tài lèi ér chàdiǎn hūn dǎo.
他因为太累而差点昏倒。
He almost fainted because he was too tired.