Please, young women, smile or simper or smirk or grin, glower or glare, or just mope about if you like, but for the love of God, please put away the duck face.
2
她朝我递来一脸假笑。
She gave me a sickly smile.
《牛津词典》
3
一种解释可能是假笑使人丧失尊严。
One explanation might be the loss of dignity displayed through a cheesy grin.