Correct

上士

/ shàng shì /
Strokes

Example

As a Noun

sergeant, first class [Chinese Army]; staff/colour sergeant [UK Army]; staff sergeant [US Army]

As a Noun

petty officer, first class [Chinese Navy]; chief petty officer [UK Navy]; petty officer, first class [UK Navy]

As a Noun

technical sergeant [Chinese Air Force]; flight sergeant [UK Air Force]; technical sergeant [US Air Force]