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

詩篇[shihen] book containing a collection of poems
千篇[senpen] many volumes
続篇[zokuhen] continuation
単語篇[tangohen] glossary
短篇小説[tanpenshousetsu] short story

長篇[chouhen] long (e.g. novel, film)
佳篇[kahen] outstanding poem
千篇一律[senpenichiritsu] humdrum
前篇[zenpen] first part