3 Please say hello to your family. 请代我向你的家人问好
say hello to sb是“向某人问好”的意思，这种说法是一种出于礼貌的说法，相当于我们中国人的“你家里人都还好吧？”例如：
-I haven't seen your sister for days. Please say hello to her for me.-Ok, I got it.
-好几天没见到你的妹妹了，帮我向她问好。-好的，我知道了。
