điện báo viên 
telegraphist, telegrapher [ điện ] : electricity, electric; palace, temple, main government building
[ báo ] : (1) to announce, report; (2) newspaper; (3) panther; (4) to return, give back
[ viên ] : (1) [CL for for officials, officers]; (2) [CL for round objects, bullets]; (3) member
Most Common Compounds Set 1:
Most Common Compounds Set 2 :