signer des deux mains

IPA(Pronunciation)

figuratively

（比喩的に）熱心に何かに署名する、機会に飛びつく、両手で機会を掴む

English Meaning

(figuratively) to sign something enthusiastically, to jump at an opportunity, to grab an opportunity with both hands

黄金の機会が訪れたとき、彼は迷わずそのチャンスを両手で掴み、この野心的なプロジェクトにすぐさま取り組むことを決めました。

When he was offered a golden opportunity, he chose to jump at the chance and commit immediately to this ambitious project.