笑逐颜开: a smile has driven all the hard lines in his face and brightened his countenance.; a smile crept across one's face.; beam with pleasure [smiles; joy]; be covered with smiles; be wreathed i
心花怒放: burst with joy; be beside oneself with joy; be highly delighted; be so pleased that one's heart sang; cheer [delight; gladden; warm; rejoice] the cockles of one's heart; greatly elated; hi
