Vietcong
/ˈvjetˈkɒŋ/noun
(复同单)
- a member of the Communist guerrilla movement in Vietnam which fought the South Vietnamese government forces 1954-75 with the support of the North Vietnamese army and opposed the South Vietnam and US forces in the Vietnam War越共（由北越军队支持的越南共产党游击队成员, 1954-1975年与南越政府军作战, 并在越南战争中与南越和美军相对抗）。
词源
Vietnamese， literally 'Vietnamese Communist'.