上じょう半はん身しん裸はだか

noun which may take the genitive case particle 'no', noun

naked above the waist; shirtless; stripped to the waist

Describes a state where the upper body is bare; often used in contexts like summer heat, physical labor, or medical examinations.

• 暑あついので、彼かれは上じょう半はん身しん裸はだかで庭にわ仕し事ごとをした。

  Because it was hot, he did the yard work shirtless.

• 診しん察さつのため、上じょう半はん身しん裸はだかになってください。

  Please strip to the waist for the examination.