哎呀！我的手指被针扎到了。

___Ouch! I pricked my finger with the needle.

哎呀，你摔得一定很疼吧。

"___Ouch, that must have hurt a lot," she said when she saw him fall.

哎哟，我的股票今天又跌了5%。

___Ouch, my stocks dropped another 5% today.