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sometimes; at intervals; occasionally; on occasion; from time to time
時おり窓の外を眺めながら原稿を書いていた。
I was writing the manuscript, occasionally gazing out the window.
普段は静かな町だが、時おり祭りで賑わう。
It is usually a quiet town, but it gets lively with festivals from time to time.
時おり吹く強い風に木の枝が大きく揺れていた。
The tree branches swayed greatly in the strong wind that blew from time to time.