Were it not for their tireless efforts, the mission would have failed.

Translation language

Sentence

Narrator

Without their tireless efforts, the mission would have failed.

Their tireless efforts were crucial; otherwise, the mission would have been a failure.

Did their dedication prevent the mission from failing?

If they hadn't worked so hard, the mission would undoubtedly have failed.

The mission's success was entirely dependent upon their tireless efforts.

They really pulled it off; without them, the mission would have tanked.

The mission failed because they didn't work hard enough.

Persistent and unending hard work.

Indicates a past event that did not happen because of a certain condition.