By his reckless conduct he inflicted great misery on his parents.

他行为不检使父母遭受很大痛苦。

youdao

Mr McKenzie, 55, was not in court to face the charge of culpable and reckless conduct.

BBC: Dudhope Court

Albanian President Berisha is responding to his domestic woes by becoming more reckless in his conduct of foreign affairs -- notably with respect to the Albanian population of Serbia's Kosovo province, a well-honed technique for diverting attention from difficulties at home.

CENTERFORSECURITYPOLICY: Center For Security Policy

They were likely to be charged with reckless endangerment, while the third was likely to be charged with disorderly conduct.

WSJ: CUNY Students Protest