bảo trì dã chiến 
field maintenance [ bảo ] : (1) to say, order, tell (someone to do something); (2) to insure; (3) to protect, guard; (4) precious, valuable
[ trì ] : (1) to hold, support, persistent; (2) late, slow, tardy; (3) pond; (4) courtyard; (5) to run a race
[ dã ] : wild, savage, rustic; to neutralize the effect of (alcohol)
[ chiến ] : (1) conflict, war; (2) good, terrific
Most Common Compounds Set 1:
Most Common Compounds Set 2 :