the.com/away game

Same rules, hostile crowd, and the referee suddenly can't hear your coach.

means A match or contest played on the opponent's home turf, where none of the comforts of home apply.

from A straightforward compound from sports usage: 'home' games are played at your own ground, 'away' games are played at the opposing team's ground — 'away' here keeping its plain old English sense (from 'onweg,' meaning 'on the way,' i.e., off/elsewhere) extended metaphorically to any situation where you're operating on someone else's territory, under someone else's rules and crowd.

travel toll
teams historically win noticeably less on the road
origin
term predates modern sports, from war campaigns abroad
crowd effect
boos measurably raise opposing players' error rates
idiom use
now means any situation on someone else's turf
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