のを-ийн хэл зүйн хайлтын үр дүн

ものを

Although A, (unfortunate result) B

をよそに

Without regards to A, Ignoring A, Despite A

をきっかけに

With A as a good opportunity/chance to B, Using A as a time to (start) B

をものともせず

To defy A, in spite of A, to not lose to A