～一方 (〜ippou)
Explanation
Indicates that while one action or situation is happening, another action or situation is also occurring or is in contrast.
Formation
Verb-casual + 一方(で), い-Adjective + 一方(で), な-Adjective + な/である一方(で), Noun + である一方(で)
Detailed Explanation
The ～一方 grammar point is used to express that while one action or situation is taking place, another is occurring at the same time or in contrast. The clauses connected by 一方 often show simultaneous actions, opposing characteristics, or parallel developments.
Examples
技術が進化する一方、生活が忙しくなっている。
Gijutsu ga shinka suru ippou, seikatsu ga isogashiku natte iru.
While technology advances, life is getting busier.
日本語が上達する一方、英語力が下がっている気がする。
Nihongo ga joutatsu suru ippou, eigo-ryoku ga sagatte iru ki ga suru.
While my Japanese improves, I feel like my English ability is declining.
この料理は美味しい一方、ちょっと高いです。
Kono ryouri wa oishii ippou, chotto takai desu.
While this dish is delicious, it’s a bit expensive.
彼は優しい一方、厳しい面もある。
Kare wa yasashii ippou, kibishii men mo aru.
While he is kind, he also has a strict side.
Grammar content sourced from hanabira.org.