hand in glove
成語所屬單字glove
hand in glove — 慣用語
1. working very closely with someone, often in a secret, dishonest, or illegal way
1.慣用語
釋義
密切合作（常指祕密或不當勾當）
working very closely with someone, often in a secret, dishonest, or illegal way
例句
The reporter discovered that the politician was hand in glove with several real estate developers.
The two companies worked hand in glove to fix the prices of their products.