to one's great surprise. with wonder etc. n., with gaping mouth
with open eyes, with upturned eyes.
Int
lo, lo and behold!, O!, heyday!, halloo!, what!, indeed!, really!, surely!, humph!, hem!, good lack, good heavens, good gracious!, Ye gods!, good Lord!, good grief!, Holy cow!, My word!, Holy shit! [Vulg.], gad so!, welladay! , dear me!, only think!, lackadaisy! , my stars, my goodness!, gracious goodness!, goodness gracious!, mercy on us!, heavens and earth!, God bless me!, bless us, bless my heart!, odzookens! , O gemini!, adzooks! , hoity-toity!, strong!, Heaven save the mark, bless the mark!, can such things be!, zounds!, 'sdeath! [Contr.], what on earth, what in the world!, who would have thought it!, c. (inexpectation)Inexpectation
you don't say so!, You're kidding!, No kidding, how now!, where am I.?