be part of the furniture
成为家具的一部分；变得无足轻重或习以为常
口语·形容长期存在而被忽视
英文释义
to have been in a place for so long that one is considered a permanent fixture, often overlooked or ignored
例句
He has worked here so long that he's part of the furniture now.
典故来源
源自办公室或家庭环境，指某人待得太久，像家具一样被视作固定存在，常被忽略。