on the shelf

US /ɑn ðə ʃɛlf/
UK /ɑn ðə ʃɛlf/
"on the shelf" picture
1.

被冷落, 嫁不出去

no longer considered attractive or useful, especially for marriage (often used for women)

:
She worried about being left on the shelf as she got older.
她擔心隨著年齡增長會被人冷落
Many women feel pressure not to be left on the shelf.
許多女性感到不被冷落的壓力。
2.

擱置, 束之高閣

not being used or considered for a long time

:
The old project has been sitting on the shelf for years.
那個舊項目已經擱置多年了。
His brilliant idea was put on the shelf due to lack of funding.
他絕妙的主意因資金不足而被擱置