落落寡欢兴高采烈(xìng gāo cǎi liè): ⒈ 亦作“兴高彩烈”。欢天喜地(huān tiān xǐ dì): ⒈ 形容欢喜至极。高高兴兴(gāo gāo xìng xìng): ⒈ 意...