упустить(что-либо; возможность, шанс, момент; Don't let the chance to work abroad slip through your fingers. – Не упусти шанс поработать за границей. TarasZ)
остаться незамеченным(With other issues like drug addiction and unemployment taking priority for the government, the welfare of children in the foster system very often slips through the cracks. VLZ_58)