dumb luck

More often than not, turncoat spies are successfully recruited as one-offs, through serendipity and dumb luck.

And yet this election may simply come down to pure dumb luck.

This will see dumb luck run out on you, and challenge you to believe all the more in an abundant cosmos that always provides.

Portman owes his anomalous success to a mix of skill, money—and dumb luck.

He cuts and moves and shifts parts about to see if dumb luck will not supply the correction he does not know how to make.

What is the use of following right along in their footsteps and trusting to dumb luck or something of that sort to pull you out?

That was sure just dumb luck, remarked Joe as he sniffed of the cold brisk air and began to realize that he was very hungry.

There was no dumb luck in the matter—neither father nor son believed in chance; they fixed their faith on cause and effect.

So we went, trusting to the sense of our beasts, or to dumb luck, to carry us unimpeded through the black woods.