When they were talking Mary kept butting in.

当他们在, 玛丽老是插嘴。

"Oh," said Minna, breaking in, lying with sudden unwonted fluency ,"I am a nursegirl."

“嗨”，明娜插嘴说，突然一反往常，一口气扯着谎，“我也是当保姆”。

He's always ready to chime in with his opinion.

他准备插嘴，表示自己意见。

It is impolite to get a word in.

别人插嘴是不礼貌。