Smile:
Interpretation: one by one: follow; Yan: face, face; Open: Extend outward. Laugh to a long face. Describe smiling and very happy.
From: Shi Ming Nai 'an's "Water Margin" The 42nd time: "When Song Jiang saw it, he was happy to fall from the sky and smiled."
They heard the good news one after another.
(Dear, remember to like it! )