乒乓球pīng pāng qiú
table tennis, ping-pong, ping pong乘坐chéng zuò
to ride (in a vehicle)乱luàn
in confusion or disorder于是yú shì
thereupon, as a result, consequently互相hù xiāng
each other, mutually, mutual交jiāo
to hand over, to deliver交流jiāo liú
exchange, give-and-take, to exchange交通jiāo tōng
to be connected, traffic