"Surprise" is a noun that refers to something unexpected or unforeseen. In Engpsh, you can say "I have a surprise for you" to indicate that you have something unexpected or unforeseen to give to someone.
The phrase "surprise gift" is often used to refer to a gift that is given unexpectedly or without the recipient knowing in advance. You might say, "I have a surprise gift for you" to indicate that you have a present to give to someone, but they don't know what it is beforehand.
Here are a few example sentences using the phrase "surprise gift":
"I can't wait to see the look on your face when I give you your surprise gift." (我迫不及待想看看你收到惊喜礼物时的表情。)
"I hope you pke your surprise gift. I spent a lot of time thinking about what to get you." (希望你喜欢你的惊喜礼物。我花了很多时间想给你什么。)
"I know you love chocolate, so I got you a box of chocolates as a surprise gift." (我知道你喜欢巧克力，所以我给你一盒巧克力作为惊喜礼物。)
It's worth noting that in Engpsh, "surprise" can also be used as a verb. For example, you might say "I'm going to surprise her with a present" to indicate that you are going to give her a gift unexpectedly.