He reached the container both by guess and by luck.

He'd never seen one quite like this, and he was working as much by guess as by knowledge.

Their navigation was mostly by guess and by God, but they got places.

Are you teaching them by guess and the gods?

He had to go by God and by guess, but somehow-another buried memory?

But alas for my staff: we shall have to go by guess in the dark.

Sailing by wind and by guess, without the earth's energy matrix to draw on?

Many animals are mutts and mixes, categorized by educated guess.

She looked up, and caught Mero's hand by guess, pulling him down beside her.

I bought them by guess alone last evening before the lower level shops closed.