used when something is being presented or shown to someone瞧，那就是（用于展示某物）
“Voilà!” said the magician as he pulled a rabbit from the hat.
“看！”魔术师边说边把兔子从帽子里掏了出来
Add a little oil and vinegar to the lettuce, and voilà—you have an easy salad.
往生菜里加点油和醋，瞧——简易沙拉就做好了。