"jump in" in Chinese (Simplified)
插手介入参与进去
Definition
迅速介入谈话、活动或情境，有时未经邀请，或毫无准备地精力充沛地开始做某事。
Usage Notes (Chinese (Simplified))
“Jump in” 是非正式用法，常见于对话或团队协作。既可指在讨论中插话（如 'Can I jump in here?'），也可指积极地开始做某事。不要和字面意思的“跳进去”混淆。
Examples
If you have an idea, feel free to jump in.
如果你有想法，请随时**插手**。
Sometimes it’s hard to jump in during meetings.
有时候，在会议中很难**插手**。
She loves to jump in and help whenever she can.
她喜欢在有机会时**参与进去**并帮忙。
"Can I jump in for a second?" he asked during the debate.
他在辩论时问：“我可以**插一嘴**吗？”
Don’t be shy—just jump in whenever you have something to say.
别害羞—有话就**插手**说出来。
He didn’t know all the details but decided to jump in and help anyway.
他并不知道所有细节，但还是决定**参与进去**帮忙。