en tout bien tout honneur

IPA(Pronunciation)

最も高潔な意図を持って / 最善の意図を持って / 下心なく / 誠意を持って / 公平に / 公正に

English Meaning

with the most honorable of intentions, with the best of intentions, with no ulterior motive, in good faith, disinterestedly, above board

彼は見返りを求めず、最も誠実な意図で助けを申し出た。

He offered his help with the best of intentions, without expecting anything in return.