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
眉飞色舞: beam with joy; smack one's lips; a look of exultation; brighten up with joy; exultant; one's eyebrows dancing; one's eyebrows were dancing with pleasure.; lively; with a beaming countenanc