To interrupt the speech of others, especially with an unwanted opinion.插話：尤指表達無用的看法而打斷別人的說話To join in harmoniously.和諧地加入To go together harmoniously; agree.相處和諧；與…一致
英語四級真題
As a bonus, professors can even chime in (插話 ) on discussions.
出自-2013年6月閱讀原文
柯林斯高階英漢雙解學習詞典釋義
VERB
(鈴)響;(鐘)報時，敲響
When a bell or a clock chimes, it makes ringing sounds.