chip in

/tʃɪp/

to interrupt a conversation in order to say something

插嘴，插话;打断别人的话

I'll start and you can all chip in with your comments.

我现在开始，你们随时都可以插话发表意见。

" My dad thinks it's an awful paper, " said Luna, chipping into the conversation unexpectedly.

“我爸爸说那是一份糟糕的报纸。”卢娜突然插话说。