不在話下

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

To exist; to be located at or in a place; to be in the process of doing something; to depend on; to observe.

Speech; language; words; talk; conversation; to speak; to say; to discuss; story; dialect.

Down; below; under; to go down; to descend; to fall; to arrive; next; later; measure word for actions.