Word: 换岗 (huàngǎng) Traditional: 換崗 换岗 dictionary entry huàngǎng to relieve a sentry; to change the guard Full dictionary entry for 换岗 Example sentences using 换岗 2 sentences, showing page 1 of 1. 保安晚上十点换岗。 Bǎo'ān wǎnshang shí diǎn huàngǎng. The security guards change shifts at ten in the evening. 夜班保安几点换岗？ Yèbān Bǎo'ān jǐdiǎn huàngǎng? What time does the night-shift guard get relieved?