不可一世

Function word; no; not; un-; negative prefix; used to form questions or emphasize a statement; sometimes used for rhythm.

Able to; can; may; to permit; to approve; suitable; worth; but; however; certainly; very.

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.

A generation or lifetime; an era or period of time; the world or society; a surname.