"惊喜"用英语怎么说 ,简单的描述是,答案是pleasant surprise  惊喜
1.What a pleasant surprice running into you . 碰见你真是太棒！
2.What a pleasant surprise! I haven’t seen you for a long time. 真叫人惊喜！ 我好久没看到你了。 
3. What a pleasant surprise! 很让人惊喜！
4.What a pleasant surprise you gave me! 你给我一个惊喜。