Spanish-English translations for en contra

against
us
If you swim against the current, you must work harderThe kennel was put against the back wallThe giant was silhouetted against the door
au contraire

counterMy counter argument is as follows. Mi argumento en contra es el siguiente. Hes only 16 months, but is already a good counter – he can count to 100He rolled a six on the dice, so moved his counter forward six spaces