Whenever you should smile,people will be friendly to you,whi

我不太理解你的真正意思,但是这句话的语法是不对的,我按照自己的理解帮你该一下哈：
You should always keep smiling,with your sweet and hopeful smile,people will be friendly to you.
意思是：你应时刻保持微笑,带着甜美而充满希望的笑容,人们会友善地对你.