'Lo and behold' is 'a phrase used to indicate something surprising or unexpected'. 'Lo' is a short word for 'look' or 'see' . When you use the phrase, there is a feeling of surprise as there is an unexpected appearance of someone or something. What are your 'lo and behold' moments? The last time I said it to myself was when I saw my youngest daughter in flesh again last June. I was whispering to myself as I was approaching her, "Look at you, baby! Lo and behold!" It was really a huge feeling of amazement to see your baby transformed into a beautiful lady. Surprise , for some researchers, is a cognitive assessment on the probability of an event , while for others, it is an emotion , on par, unusual -- with happiness, sadness, anger, disgust, and fear. That particular reunion with my child was both for me -- I knew there was that probability as she already told me, though not yet sure until I saw her before my ...