godan verb (-mu), transitive verb
insert; put in between
Physically inserting something into a gap or between other things.
本の間にしおりを差し挟む。
I insert a bookmark between the pages of the book.
godan verb (-mu), transitive verb
interrupt; slip in a word
Interjecting a remark or comment into a conversation.
彼は話の途中で口を差し挟んだ。
He slipped in a word in the middle of the conversation.
godan verb (-mu), transitive verb
Holding a thought, doubt, or theory in one's mind; often used with 疑い (doubt) or 考え (idea).
彼の説明に疑いを差し挟む余地はなかった。
There was no room to harbor doubts about his explanation.