話はなしを切きり出だす

expression, godan verb (-su)

break the ice; broach a subject; bring up a topic

Used when initiating a conversation, especially one that may be difficult or awkward to start. Often implies a deliberate effort to open a discussion.

• 彼かれは緊きん張ちょうしながらも、思おもい切きって話はなしを切きり出だした。

  Nervous as he was, he took the plunge and broached the subject.

• どうやってこの話はなしを切きり出だそうか迷まよっている。

  I'm wondering how to bring up this topic.