Je was op zoek naar: stupidly (Engels - Japans)

stupidly.
迂闊だったな

i stupidly seem to have lost my invitation.
うかつにも 招待券をなくしたんだ

i could do nothing but stare stupidly at the printed page.
私は本に書かれた文字をぼうっと見ているだけだった。

sabine stupidly told them about some vision she had about the baby.
馬鹿なことにサビーネが "視た"内容を話したから

he was behaving so stupidly that i couldn't keep my temper.
彼があまりにも馬鹿げた振る舞いをしていたので私は怒らないでいられなかった。

i just stupidly thought that the people who loved her would actually believe she's innocent.
愛する人が無実だと 信じたのが馬鹿だった 勘違いだ

i wonder, is there a medical explanation for that, or is it just people stupidly repeating old behavior and not realizing it?
医学的証拠もあるし 人は愚かな事を 繰り返すものだ