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in short trousers

a. In childhood; as a child.

Usage examples of "in short trousers".

I was watching The Enforcer when you were in short trousers, remember.

The woman was several years older, square-faced, in short trousers and a baggy armless blouse.

Barefoot men in short trousers, their hair in a longer single braid, clustered around the boats.

Cut her hair off and put her in short trousers, and there would stand a six-year-old Alexander.