Subject + 独一无二
独一无二 (dú yī wú èr) means "one of a kind" or "unique." This four-character idiom literally means "only one, no second," emphasizing that something is completely unmatched or irreplaceable.
每个人的指纹都是独一无二的。
Měi gè rén de zhǐwén dōu shì dúyīwú'èr de.
Everyone's fingerprints are unique.
这件手工艺品是独一无二的,全世界只有一件。
Zhè jiàn shǒugōngyìpǐn shì dúyīwú'èr de, quán shìjiè zhǐ yǒu yī jiàn.
This handicraft is one of a kind; there is only one in the entire world.
她在我心中是独一无二的存在。
Tā zài wǒ xīn zhōng shì dúyīwú'èr de cúnzài.
She is a unique presence in my heart.