one small step for man, one giant leap for mankind

Phrase

idiomatic

(cliché, idiomatic) (used imitatively) A cliché used to exaggerate an accomplishment or milestone.

Japanese Meaning

成し遂げられた業績や節目を誇張して表現するために使われる、決まり文句（クリシェ）的な表現

Sense（1）

(cliché, idiomatic) (used imitatively) A cliché used to exaggerate an accomplishment or milestone.

one small step for man

（ canonical ）

one giant leap for mankind

（ canonical ）