獨一無二

Alone; single; sole; only; independent; to be alone; to stand alone; to do something alone; to monopolize; to act arbitrarily; (archaic) childless in old age.

The number one; single; a; as soon as; entire; whole; all; a "one" radical in Chinese characters; also used for clarity when spelling out numbers.

Not to have; no; none; not; to lack; un-; -less; used in Buddhist phrases like 'namo'.

The number two; second in order; twice; a pair; dual; also used as a variant of 'to change' or 'to compare'.