Conservationists are working to restore river habitats so the freshwater pearl mussel, an endangered species capable of producing high-quality pearls, can recover.

sweet mother of pearl, I forgot my passport at home!

Anyone watching the debate was clutching one's pearls at the candidate's offhand remark.

One clutches one's pearls every time a new fashion trend challenges traditional tastes.

When the scandal broke, one clutched one's pearls at the thought of the mayor's misdeeds.

It's easy to clutch one's pearls when you see someone break the rules, but it's better to ask questions calmly.

She learned not to cast pearls before swine after her heartfelt poem was ridiculed at the party.

She often casts pearls before swine when she explains classic literature to uninterested coworkers.