To work hand in glove

To work hand in glove
現在我們來講一個和手套有關的習慣用語：
To work hand in gloveTo work hand in glove的意思是?????????。
我們來舉個例子吧：
例句: "The local police are working hand in glove
with the FBI to find the bank robbers."這是說：“當地的員警正在和聯邦調查局
密切合作設法找到那些搶劫銀行的罪犯。”
Now, can you make a sentence by using this idiom?