You would not be surprised if a stranger tried to shake hands when you were introduced, but you might be a little startled if they bowed, started to stroke you or kissed you on both cheeks.
出自-2013年12月听力原文
柯林斯高阶英汉双解学习词典释义
N-COUNT
脸颊;脸蛋儿
Your cheeks are the sides of your face below your eyes.