2 sentences

1. 这条商业街熙来攘往，非常热闹。

   zhè tiáo shāng​yè​jiē xī​lái​rǎng​wǎng, fēi​cháng rè​nao.

   This commercial street is bustling with people and very lively.

   Source: Dong Chinese Dictionary

2. 他在熙熙攘攘的人丛中迷失了方向。

   tā zài xī​xī​rǎng​rǎng de rén​cóng zhōng mí​shī le fāng​xiàng.

   He lost his way in the bustling crowd.

   Source: Dong Chinese Dictionary