用 + Expression + 形容 + Object
The verb 形容 (xíngróng) means "to describe" or "to characterize" and is used when portraying something's qualities or appearance in words. It is often used when conveying how something looks, feels, or seems, especially in vivid or figurative language.
我不知道该怎么形容此刻的心情。
wǒ bù zhī dào gāi zěn me xíng róng cǐ kè de xīn qíng.
I don't know how to describe how I feel right now.
他用"温暖"两个字来形容妈妈的笑容。
tā yòng "wēn nuǎn" liǎng gè zì lái xíng róng mā ma de xiào róng.
He used the word "warm" to describe his mother's smile.
很难用语言形容那里的风景有多美。
hěn nán yòng yǔ yán xíng róng nà lǐ de fēng jǐng yǒu duō měi.
It's hard to describe in words how beautiful the scenery there is.