2 sentences

1. 下课了，教室里到处是叽叽喳喳讨论的学生。

   xià​kè le, jiào​shì lǐ dào​chù shì jī​jī​zhā​zhā tǎo​lùn de xué​sheng.

   Class was over, and the classroom was full of students chattering and discussing.

   Source: Dong Chinese Dictionary

2. 清晨，窗外的小鸟在树枝上叽叽喳喳地叫个不停。

   qīng​chén, chuāng wài de xiǎo​niǎo zài shù​zhī shàng jī​jī​zhā​zhā de jiào gè bù​tíng.

   In the early morning, the birds outside the window chirped away on the branches.

   Source: Dong Chinese Dictionary