Definition
to permit someone to participate in an activity, such as a game or business venture
允许某人参加（游戏或生意）
At the party, we decided to cut her in, so we included her in the plans.
在派对上，我们决定让她加入，所以把她纳入计划中。
If you have a profitable deal, you should consider cutting your friend in on it.
如果你有一个有利可图的交易，你应该考虑让你的朋友加入。
He wants to cut me in on his new business venture, but I need more information to consider.
他想让我加入他的新商业计划，但我需要更多信息来考虑。