女孩子们在电话里喋喋不休地聊着最新的八卦。

The girls ___chattered on the phone about the latest gossip.

清晨的鸟儿在树枝上叽叽喳喳地叫个不停。

The birds ___chattered nonstop on the branches in the early morning.

他冷得牙齿直打颤。

He was so cold that his teeth were ___chattering.