喜笑颜开 (xǐ xiào yán kāi) | Meaning: grinning from ear to ear (idiom) | Chinese Idiom with Pinyin & Origin

smile spread across the face (idiom); beaming with pleasure · all smiles · joy written across one's face笑逐颜开xiào zhú yán kāi

smiling wholeheartedly (idiom); beaming from ear to ear笑容可掬xiào róng kě jū

to smile · to beam开颜kāi yán

grinning from ear to ear (idiom) · beaming with happiness