They poured the new wines in old bottles.

Foetuses in foetu are extremely rare medical conditions.

Internal condoms are a type of barrier contraceptive that can be used during sexual intercourse.

She decided to use an internal condom for protection.

He wades in the river to cool off.

She waded in the shallow water.

I walked in someone's shoes to understand their perspective.

Putting oneself in someone's shoes is an important skill to develop empathy.

He puts himself in her shoes and tries to understand her perspective.

She walks in someone's shoes.