you shouldn't have idiom
（当别人给你礼物时，用来表示你没有期待如此）
said when thanking someone who has given you a present, to mean that you did not expect it
Flowers! You shouldn't have! “给我的鲜花！你不必送的！”
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。