ては〜ては
ては〜てはte wa te waneutral
X and then Y, over and over — a two-action loop
原稿を書いては消し、書いては消して、とうとう朝になった。
genkou o kaite wa keshi, kaite wa keshite, toutou asa ni natta.
I wrote and deleted, wrote and deleted, and in the end it was morning. neutral
あの子、おもちゃを買っては飽き、買っては飽きての繰り返しなんだよ。
ano ko, omocha o katte wa aki, katte wa akite no kurikaeshi nan da yo.
That kid buys a toy, gets bored with it, buys another, gets bored — it's the same thing over and over. casual
All examples3
does X and then Y, again and again — often a wearying cycle
原稿を書いては消し、書いては消して、とうとう朝になった。
genkou o kaite wa keshi, kaite wa keshite, toutou asa ni natta.
I wrote and deleted, wrote and deleted, and in the end it was morning. neutral
あの子、おもちゃを買っては飽き、買っては飽きての繰り返しなんだよ。
ano ko, omocha o katte wa aki, katte wa akite no kurikaeshi nan da yo.
That kid buys a toy, gets bored with it, buys another, gets bored — it's the same thing over and over. casual
試作品は、作っては壊し、作っては壊しを繰り返してまいりました。
shisakuhin wa, tsukutte wa kowashi, tsukutte wa kowashi o kurikaeshite mairimashita.
With the prototypes, we built and scrapped, built and scrapped, again and again. formal
How it's formed1
Notes
can loop; only the last carries tense. Order is fixed (波が
寄せては返す, wave rolling in then back).