一方 いっぽう
ippō

Noun

1. one (esp. of two); the other; one way; the other way; one direction; the other direction; one side; the other side; one party; the other party

ゆか緑色 みどりいろ られていたが、一方 いっぽう かべ黄色 きいろだった。
yukawa midoriironi nurarete itaga ippō kabewa kiirodatta.
The floor was painted green, while the walls were yellow.
Conjunction

2. on the one hand; on the other hand

Related to 他方
しかし、その一方 いっぽう、ラテン はそのときまでに「死語 しご」となっていた。
shikashi sono ippō ratengowa sono tokimadeni"shigo"to natte ita.
But, then again, Latin was already a "dead language" by that time.
Conjunction

3. whereas; although; but at the same time; meanwhile; in turn

Noun
Suffix

4. just keeps; being inclined to ...; tending to be ...; tending to do ...; continuously ...; just keeps on ...ing; only

本屋 ほんや英語 えうご関係 かんけい ほん つけると、次々 つぎつぎ ってしまって、読 まずにいるので、たまる一方 いっぽうです。
hon'yade ēgokankēno hon'o mitsukeruto tsugitsugini katte shimatte yomazuni irunode tamaru ippōdesu.
I always buy the English-language books I come across at bookstores. But since I never read them, all they do is pile up.