a whistle

garish or excessively colorful in appearance

a station or watchhouse where a sentry is posted to keep watch

to stand guard, perform sentry duty, or act as a lookout to maintain security

unfair or biased refereeing, often resulting from bribery or partiality in sports

the leading or most advanced position in an activity, movement, or field

a physical location or station where a guard or sentry is positioned for observation

to whistle

border sentry post

excessively colorful, ornate, or showy in a way that is tasteless or distracting

a designated position or station where a sentry or guard is assigned to stand watch.

a hidden sentry or guard post

sentry post

a skirmish or preliminary battle

a station or post where people and vehicles are stopped for inspection or security checks

to check the sentries

to whistle by putting fingers in one's mouth, often used as a signal or to express excitement

a soldier or guard stationed to keep watch or control access to a restricted area

to go on sentry duty or stand guard

a station or post established in a forward position to protect against surprise attacks or to monitor movement

to whistle, often by putting fingers in the mouth (nowadays more commonly written as [[呼哨|呼哨|hu1 shao4]])

to blow a physical whistle, typically to signal or get attention

a whistle; tin whistle

both visible and hidden sentries keeping watch

whistling sound

a whistle given as a secret signal