one side, one aspect, entire surface, all over, front page
その辺は全く消えてなくなったようにただ一面の雪だった。
It was nothing but an expanse of snow, as if everything around there had completely vanished.
彼が言う事にも一面の真理がある。
There is some truth to what he says, too.
不幸には立派な一面があるって言うが本当ですな
They say misfortune has a noble side to it, and it's true.
— 生きる (1952)
一面火の海
The whole area was engulfed in flames.
— Good Luck, Have Fun, Don't Die (2026)
その家は一面火となった。
The house was engulfed in flames.
私には彼女の気持ちもわかるが、また一面では彼女が正しいとも思わない。
I understand how she feels, but at the same time, I don’t think she’s right.
とても寒かったので、湖は一面氷に覆われた。
It was so cold that the lake was completely covered in ice.