ruefully

Adverb

In a rueful manner; causing, feeling, or expressing regret or sorrow.

Japanese Meaning

後悔や悲しみを表現する様子で / 嘆かわしい、悔いている様子で

She smiled ruefully as she handed back the old, faded photograph.

彼女は古びて色あせた写真を返しながら、残念そうに微笑んだ。

Sense（1）

In a rueful manner; causing, feeling, or expressing regret or sorrow.

He smiled ruefully at me.

more ruefully

（ comparative ）

most ruefully

（ superlative ）