lo
/ləʊ/exclamation
- archaic used to draw attention to an interesting or amazing event〈古〉［用以引起对有趣或惊奇之事的注意］瞧, 看哪：
and lo, the star, which they saw in the east, went before them.
看哪, 他们在东方所见之星在前方掠过。
短语
lo and behold
- used to present a new scene, situation, or turn of events, often with the suggestion that though surprising, it could in fact have been predicted［用以介绍新景象、情况或事情的转变, 常表示某事看似奇特但可以预料］ 哎哟看看：
you took me out and, lo and behold, I got home to find my house had been ransacked.
你把我弄出来, 哎哟看看, 我回到家却发现家里已被洗劫一空。
词源
natural exclamation: first recorded as lā. in Old English; reinforced in Middle English by a shortened form of loke 'look!', imperative of LOOK.