"Give a surprise to dad" in Engpsh can be translated as "Give dad a surprise."

The origin of the phrase is from the idea that you want to do something unexpected or unexpected for your father. This phrase is commonly used in situations where someone is planning a surprise for a loved one or family member, often for a special occasion pke a birthday or anniversary.

Here are a few examples of the phrase in context:

"I want to give dad a surprise for his birthday. Any ideas?"
"My sister and I are planning to give dad a surprise party next weekend."
"I'm going to give dad a surprise by cooking him his favorite meal tonight."

这个短语表示你想要为你的父亲做些意料之外的事情。这个短语通常在计划给亲人或家庭成员一个惊喜的场合中使用，通常是在生日或周年纪念日之类的特殊场合。