“ K ”的手语表示为：食指伸直，指尖向上，中指伸直跟食指成 90 度角，拇指跟中指交叉相搭，其余二指弯曲，虎口朝里。
"K" in sign language means: the index finger stretches with the fingertip upward; the middle finger extends and forms a 90 degree angle with the index finger; the thumb is crossed with the middle finger and the other two are bent, with Hukou inward.