to be relegated to the sidelines; to be left out in the cold; to be neglected or sidelined
这个旧项目已经很久没有进展了，好像被打入冷宫了。
This old project hasn't made any progress for a long time; it seems to have been consigned to the back burner.
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to be relegated to the sidelines; to be left out in the cold; to be neglected or sidelined