cause an exchange of partners by mistake between two couples engaged to marry

tasteless and insipid - dàn ér wú wèi

follow an old routine - chén chén xiāng yīn

with circulation of a manifesto , the trouble is settled - yǐ ruò zhì qiáng

the country is prosperous and the people are at peace - guó fù mín ān

rich and powerful - fù guì lì dá

Open mouth - xū zuǐ lüè shé

Report on business - bào bīng gōng shì

scorcher - jué sè jiā rén

in disorderly fashion - hú lǐ hú tú

get the upper hand - yǐ yì chēng zhū