He approached life with reckless abandon–I don't think he himself knew what he was going to do next.

他以不计后果的放纵态度对待生活–我想他自己都不知道他接下来要做什么。

《柯林斯英汉双解大词典》

He lived his life with reckless abandon.

他过着极其放纵的生活。

youdao

Approach love and cooking with reckless abandon.

要想得到爱情与粮食，就要不吝舍弃。

youdao

Ostensibly friendly nations zap each other's electronic nerve cells frequently, and with reckless abandon.

CENTERFORSECURITYPOLICY: The silent cyberwar

Central banks have practiced this lender-of-last-resort function with reckless abandon, provoking bank failures and monetary crises galore.

FORBES: The hoodwinkers

Expect Bloomberg to move ahead on his latest ban target with reckless abandon, as he has all the others.

FORBES: The Final Year Of Mayor Bloomberg's Term Is Poised To Be The Most Dangerous