1:Incredibly enthusiastic, zealous and dedicated
Use of Mandarin expression g¨ngh¨¦ (to work together) or g¨ngy¨¨h¨¦zu¨°sh¨¨, the Chinese Industrial Cooperative Society. Originally used during WWII by US Marines Lt.Col. Evans F. Carlson to describe the enthusiasm and dedication of the Chinese soldiers and to encourage his batallion (Second Raider Batallion) to have the same attitude towards their wartime duties.
2:Used to describe someone who is overly enthusiastic on the topic of war
1: Joe is gung-ho about legalising marajuana in his country.
2: George W. Bush is GUNG-HO in his attitudes toward the Iraq war