~ことなく (without doing)

She came before the king without flinching.

Without being eaten, that octopus returned to the sea.

Without showing the slightest guilt over that, Chitose is spending today as lively as ever.

She cried for hours without stopping.

It does appear, though, that the emperors have on the whole persisted without chasing secular power.

A capable FBI agent carries out his duty without hesitation.