to make a sharp sound by blowing through the lips or fingers, such as a 口哨 kǒu​shào

(bound form) a post or position used for patrol, lookout, or guard duty; a soldier performing such duties

(bound form) a small device blown to make a sharp sound for signaling, such as a 哨子 shào​zi

(bound form) to talk big, brag, or gossip

(bound form) to patrol or scout for the purpose of maintaining guard or gathering intelligence

to warble or sing; used to describe the sounds made by birds

(literary) a measure word for a group of soldiers or a military unit

a Chinese surname