打入冷宫　

◎ 打入冷宫 dǎrù lěnggōng

(1) [leave sb. out in the cold]∶古代皇帝把失宠的后妃软进于冷僻宫内

(2) [consign to the back shelf;relegate to limbo]∶ 把不用的东西搁置起来