| 劳 | láo gǎi yíng | correctional labor camp | 
| 劳 | láo | (bound form) to toil; labor / (bound form) laborer / (bound form) meritorious deed / (bound form) fatigue / to put sb to the trouble (of doing sth) / to express one's appreciation (Taiwan pr. [lao4]) | 
| 劳 | láo gǎi | abbr. for 劳动改造 / reform through labor / laogai (prison camp) | 
| 改 | gǎi | to change / to alter / to transform / to correct | 
| 营 | yíng | camp / barracks / battalion / to build / to operate / to manage / to strive for |