gather together ⇒ 亲朋好友共聚一堂,祝贺他的成功。 Qīn péng hǎo yǒu gòng jù yī táng, zhùhè tā de chénggōng. → His relatives and close friends gathered together to congratulate him on his success.
冠冕堂皇
grandiose
哄堂大笑
make everyone roar with laughter ⇒ 他的笑话引得大家哄堂大笑。 Tā de xiàohua yǐn de dàjiā hōngtángdàxiào. → His joke made everyone roar with laughter.
富丽堂皇
splendid
济济一堂
assemble ⇒ 研讨会上全国的语言学家济济一堂。 Yántǎohuì shang quánguó de yǔyánxuéjiā jǐjǐ yī táng. → Linguists from all over the country assembled at the symposium.