车水马龙

chēshuǐmǎlóng

车水马龙 — chēshuǐmǎlóng

1. endless stream of horse and carriages; heavy traffic

   节假日这条大街车水马龙，热闹极了。 jiéjiàrì zhètiáo dàjiē chēshuǐmǎlóng rènào jíle — On holidays this avenue is a nonstop stream of vehicles and people; it's extremely lively.