Her little son chipped in that it was time to go home.

她那小儿子说,该回家了。

Never mind the interruption; proceed with your story.

不要理睬别的, 继续讲你的故事。

The meeting was very lively and informal with everyone chipping to supplement or refute what the speakers said.

会议开得很活跃, 不拘束, 都能补充, 或反发言者的讲。

I hate to interject a note of realism, but we don’t have any money to do any of this.

我不讲实际情况，但我们确实没钱做这些事。