九仞の功[kyuujinnokou] spectacular success
千仞[senjin] great depth
万仞[banjin] 10000 fathoms

九仞の功を一簣に虧く[kyuujinnokouwoikkinikaku] to fail one step short of great success
壁立千仞[hekiritsusenjin] precipitous cliff of great height, metaphor for absolute nature of Buddhist truth

一騎当千[ikkitousen] being a match for a thousand
一刻千金[ikkokusenkin] every moment is precious
一字千金[ichijisenkin] word of great value
一千[issen] 1,000
一望千里[ichibousenri] sweeping view of the eye

一瀉千里[isshasenri] one swift effort
引き千切る[hikichigiru] to tear off
何千[nanzen] many thousands
海千山千[umisenyamasen] sly old dog
幾千[ikusen] thousands