水军

水军	shuǐ jūn	(archaic) navy / person employed to post messages on the Internet (abbr. for 网络水军)
水	Shuǐ	surname Shui
水	shuǐ	water / (after a name) ... River / to swim (used mostly in 会水 and 水性) / (coll.) lacking in substance; shoddy / (bound form) additional cost; extra income / classifier for washings of a garment
军	jūn	(bound form) army / military