hand in glove
与某人紧密合作或关系密切
正式或口语·形容紧密合作
英文释义
to work closely together; to have a close and harmonious relationship
例句
The two companies work hand in glove to develop new software.
典故来源
源自手套与手紧密贴合的形象，比喻双方合作无间、关系密切。