pinch

at a pinch if necessary; in an emergency.

☞ A North American variant of this expression is in a pinch.

feel the pinch experience hardship, especially financial.

have to pinch yourself used to convey that a good situation is so surprising that the person involved has to make sure they are not imagining it.

take something with a pinch of salt: seesalt.

where the shoe pinches: seeshoe.