站岗

站岗	zhàn gǎng	to stand guard / to serve on sentry duty
站	zhàn	station / to stand / to halt / to stop / branch of a company or organization / website
岗	gāng	variant of 冈 [gang1]
岗	gǎng	(bound form) hillock; mound / sentry post; policeman's beat / (bound form) job; post