酥软

zǒu le yī tiān lù wǒ lèi de liǎng tuǐ sū ruǎn

走了一天路，我累得两腿酥软。

After walking for a whole day, my legs feel weak and shaky.

tā xià de sì zhī sū ruǎn

他吓得四肢酥软。

He was so scared that his limbs turned to jelly.

liǎng tiáo tuǐ sū ruǎn

两条腿酥软

feel languid in one's legs

xiǎng yào diǎn sū ruǎn de jiāo yán juǎn bǐng ma

想要点酥软的椒盐卷饼吗？

Want to go get a soft pretzel?