話はなしに乗のる

expression, godan verb (-ru)

jump at the chance; accept an offer; show interest in

Used when someone eagerly takes up a proposal, invitation, or suggestion. Often implies a quick, positive response to an opportunity.

• 彼かれはその儲もうけ話はなしにすぐ乗のった。

  He immediately jumped at that money-making scheme.

• 面おも白しろそうな企き画かくだったので、話はなしに乗のってみることにした。

  Since it sounded like an interesting project, I decided to take them up on it.